UPDATE: Mechanicsville Drunk Driver Sentenced to a Year in Jail for Striking a Deputy

May 31, 2017
Michael Austin Mattingly, 21, of Mechanicsville

Michael Austin Mattingly, 21, of Mechanicsville

UPDATE 5/31/2017: Michael Austin Mattingly, 21, of Mechanicsville, was found guilty of causing a life-threatening injury to another as a result of the person’s negligently driving a motor vehicle while the person is under the influence of alcohol.

Mattingly was sentenced to 3 years in jail with 2 of them suspended, and is currently incarcerated in the St. Mary’s County Adult Detention Center.

12/7/2017: On Wednesday, December 7, 2016, at approximately 1:20 a.m., Corporal Shaun Carberry of the St. Mary’s County Sheriff’s Office was assisting a disabled vehicle on Chaptico Road in the area of Budds Creek Road, when he was struck by a motor vehicle.

The investigation revealed, the driver of the striking vehicle, Michael Austin Mattingly, 21, of Mechanicsville, left the roadway for unknown reasons and struck the disabled vehicle, which subsequently struck Corporal Carberry. As Corporal Carberry saw the oncoming vehicle, he pushed the driver of the disabled vehicle out of harm’s way to avoid the driver being struck. The operator of the striking vehicle, Mattingly, remained on scene. He was transported to the St. Mary’s County Detention Center where he was charged with Driving Under the Influence.

Corporal Carberry was transported to Prince George’s Hospital where he remains for the treatment of serious non-life threatening injuries.

The Collision Unit Reconstruction Unit assisted patrol deputies with the preliminary investigation. Anyone with information is asked to contact Sgt. Peacher at 301-475-4200, ext. *8065.

Michael Austin Mattingly, 21, of Mechanicsville

Michael Austin Mattingly, 21, of Mechanicsville



67 Responses to UPDATE: Mechanicsville Drunk Driver Sentenced to a Year in Jail for Striking a Deputy

  1. Anonymous on December 7, 2016 at 9:22 am

    I don’t know if this is a drivers license photo or his booking photo but his smiling face is the last thing I want to see on an article about how he almost killed two people and he succeeded in seriously injuring the cop. No sympathy for anyone who is too stupid to call a cab, Uber, or a friend when they drink too much. People that drive drunk show they could care less about themselves or anyone else that happened to be on the road at that time. I hope they pile on the charges for this jerk like reckless endangerment and criminal indifference. If it was up to me I would try and make attempted murder stick. It was only luck that he didn’t kill those two.

    • wow on June 1, 2017 at 6:25 am

      He’s smiling because he was drinking and driving hit a cop and only got 1 year in jail. He’s happy he made out. Smh a year lol what a joke.

  2. Anonymous on December 7, 2016 at 9:23 am

    And why you smiling could have killed someone!!

  3. Anonymous on December 7, 2016 at 9:37 am

    He looks awful happy for someone who’s in some serious $hit!

  4. Anonymous on December 7, 2016 at 9:55 am

    you almost kill a trooper and a another motorist and you have the sack to grin in your mug shot. what a dumbazz

    • Sweety B on December 9, 2016 at 9:17 am

      Not a trooper, a sheriff’s deputy. Just sayin’

  5. Paxie on December 7, 2016 at 9:58 am

    Looks proud of himself! What an idiot.

  6. Anonymous on December 7, 2016 at 10:17 am

    Alot of those mattinglys are drunks…at least he stayed.

  7. Nick on December 7, 2016 at 10:21 am

    Smile now fool. I hope they throw the book you!
    You could have killed 2 people!

    Kudos to the officer for pushing the driver out of the way.
    I hope he makes a speedy recovery.

    • Anonymous on December 7, 2016 at 6:09 pm

      Obama will probably have the officer charged with assault for pushing the motorist.

      • Saturated Fat on December 8, 2016 at 9:14 am

        LOL….you made me spit coffee on my computer.

        • Anonymous on December 16, 2016 at 7:55 am


  8. Anonymous on December 7, 2016 at 10:39 am

    I wonder what county in Maryland has the highest drunk driver rate per capita? St.Mary’s has got to be up there at the top.

    • Anonymous on December 12, 2016 at 12:54 pm

      Though it “seems” like all the drunks are here, I think that Baltimore has everyone beat. After Baltimore, I believe P.G. county is the next issue.

  9. Fredie Gray on December 7, 2016 at 10:53 am

    Jay Leno called he wants his chin back

    • Miss328 on December 8, 2016 at 8:04 am

      Disney called first they are casting for Gaston.

  10. Anonymous on December 7, 2016 at 10:57 am

    He has been in trouble before

  11. Anonymous on December 7, 2016 at 12:29 pm

    What is going, all these drunk drivers hitting police officers,first an old drunk now this one involves a young drunk.

  12. Anonymous on December 7, 2016 at 12:58 pm

    Why is this moron smiling??

  13. Anonymous on December 7, 2016 at 12:59 pm

    Like it’s funny. What a scumbag.

  14. Bucky+Wheat on December 7, 2016 at 1:16 pm

    Smile drunky. You hit a cop so you may want to grease up. You will be going to jail.

  15. Keep it Real on December 7, 2016 at 2:26 pm

    Once again, why is St. Mary’s Sheriff’s Office investigating an accident involving a St. Mary’s Sheriff’s Officer. There is a Maryland State Troopers Barrack in Leonardtown, Utilize them. Be transparent! As the first Sheriff Office in America, I would have thought: the Department learned this 300-400 years ago! The illusion of transparency is, now, more than ever the most critical thing you can be/do as an Agency. Sheriff Cameron this isn’t an FOP situation, this is to avoid even the perception of collusion and possible loss of Accreditation, wake up and stop this backwards policy. These kind of backwards/old-school thing could actually backfire against your agency and allow MSP to further gain a stronghold in your area, or a move to Police while your agency wilts and gets to stay at the courthouse & serving warrants (Just look at PG).

    Corporal Carberry I hope you get well soon and God Speed.

    and M. A. Mattingly your a smug, entitled, douche. Good luck with riding around in the passenger seat for the next 5yrs. Better yet, I hope the Judge sentences you to every night between 8pm-5am in Jail, 3-4 days a week, for the next 21 months, you had to know better.

    • Anonymous on December 7, 2016 at 6:08 pm

      So you don’t trust the St Mary’s Sheriff’s Office? When we lose faith in our police we lose as a society. In this case, pretty sure the officer on the side of the road isn’t at fault here so there should be no question about the investigation.

      • Anonymous on December 8, 2016 at 2:45 pm

        Have you not been following the national news?

        Only a fool would trust a cop these days.

        • Rob Stark on December 9, 2016 at 9:25 am

          Wow, a deputy is hit by a drunk driver while assisting a motorist and possibly saves the motorists life in the process and this is the only thing that you can think of to post? Well, I guess we can list you as a cop-hater so we know what that means. You’re a low life POS cop-hater.

        • Anonymous on December 11, 2016 at 9:23 am

          And only a fool would make a blanket statement like that. It’s like saying all blacks are criminals and on welfare. Idiot.

          • cheywolf on June 1, 2017 at 8:35 am

            Where did Rob say all blacks were criminals and on welfare? I went back and re-read it in case I missed something. Or are you just a race baiting bully?

          • Keep it Real on June 4, 2017 at 12:13 pm

            Proof’s in the Sentence. I stand by what I said. When you’re the Victim – you can’t be the lead investigator.

    • Keepin' it Really Real on December 8, 2016 at 5:20 am

      Your theory makes no sense. The MSP are limited on resources and they are not tasked with handling county matters so your statement about the “taking over” would only be true if the Sherriff and his department totally evaporated and the MSP were utilized to fill the vacuum. As far as your transparency rambling, I’m not sure why we need state dollars to investigate a clear cut case of a drunk driver hitting an officer. Typically an outside investigation would be warranted if there has been a grievance filed against the Sherriff’s department but that didn’t happen here. Your comment sounds tipical of a halk cocked right wing nut about to go spinning off into space.

      • Anonymous on December 8, 2016 at 12:31 pm

        Actually that would be a left wing nut. Right wing nuts are pro police.

        • Keepin' it Really Real on December 9, 2016 at 8:03 am

          My bad, I did state the wrong extreme. I also meant to spell “typical” the correct way, as well as “wing nut.”

      • Keep it Real on December 10, 2016 at 2:40 am

        I’m “Pro – Doing – The – Right – Thing”, go back to “Ethics 101,” listen, learn, know and practice, pretty damn simple. Why would, one agency, want to investigate itself, when there are highly capable, “other agencies”, that could be much harder to break down, by a Defense lawyer. Even allowing doubt in such a “clear-cut case,” is self-inflicted nonsense. Ethic’s even having to be mentioned to the oldest & First Sheriff’s Department in the United States is crazy, but it’s obviously the reality. They (& You) may want to hire better council, if this kind of “Ethical nightmare” is constantly deemed “the only viable solution”, better just pack up now.

        • Like, no duh! on June 1, 2017 at 7:45 am

          Why would they be “investigating themselves”? “They” aren’t the accused, “they” are the victim. You would have a point if the accused drunk driver was a member of the Sheriffs Department. To follow your logic, if a St Mary’s County Sheriff comes home to find there has been a break in at his house, he cant call the St Mary’s Sheriff to come out and investigate, he would need to call the State Troopers in??? You have the right idea, but you are employing it backwards. They aren’t investigating the Sheriff, they are investigating the drunk driver, who crashed his car into the Sheriff, not the other way around.

          • Keep it Real on June 5, 2017 at 10:46 am

            They are investigating an incident that happened to one of their own, which could bias the investigation. Your logic, lacks basic understanding of ethics and is backwoods bass ackwards, just like the Sheriff’s. O’ Btw, in your example, once again, that is an example of where you would want an outside agency to investigate. If you are the victim you can’t investigate yourself, plan and simple, period end of story! Next you’ll tell me, “the perpetrator should be the lead investigator.” When in reality, an arbitrary third party, should always be the Investigatory Agency, unbiased and unconnected, to either witness.

  16. AliceW on December 7, 2016 at 2:26 pm

    That smile will go away when you get help adding up the points on your license plus the fines and hopefully the policeman does not have any residual limitations on his movement the rest of his life. Not to mention you exposed him to possible arthritis in later years.

  17. anonymous on December 7, 2016 at 2:39 pm

    Really dumd*** smiling? Your parents must be so proud.

    • anonymous on December 8, 2016 at 11:25 am

      I know them and theyre trash too.

      • Anonymous on December 11, 2016 at 9:24 am


        • ConcernedCitizen on December 16, 2016 at 8:25 am

          Anonymous comments on every crime in the tri-county area! He/She or both to be politically correct nowadays knows everyone, LMAO! ITS ONE THING TO SAY THE DRIVER ISN’T A GOOD PERSON, BUT CALLING SOMEONES MOM AND DAD TERRIBLE NAMES IS UNCALLED FOR!!! GUESS THAT’S A GOOD THING TO BE ANONYMOUS BECAUSE OLD SMILEY MIGHT BE ON HIS DOORSTEPS IN 5 TO 10.Or knowing St.Marys 18 months work release could have Smiley there in no more than 90 days with a little Speedy trail action! You never know taking his kindness for a weakness isn’t always smart! THEN WHO WOULD BE SMILING.? He does have that look that’s kinda wierd!!!

  18. Marcus Welby, M.D. on December 7, 2016 at 2:59 pm


  19. SeaOfJoy on December 7, 2016 at 3:42 pm

    Human version of Gaston in Snow White!

    • Miss328 on December 8, 2016 at 8:08 am

      Correction: Beauty and the Beast, but you pegged the character Gaston.

      • SeaOfJoy on December 8, 2016 at 8:54 am

        That’s right! It’s been a while since watching any Disney movies ;-)

  20. Anonymous on December 7, 2016 at 3:50 pm

    Laugh it up genius. You took out a guy helping someone. There is no reason to smile. Idiot.

  21. Lilly on December 7, 2016 at 4:44 pm

    I didn’t know Herman Munster had another son!

  22. Helpmecuzz on December 7, 2016 at 10:23 pm

    What a Dufus

  23. Anonymous on December 8, 2016 at 7:48 am

    By no means am I excusing this loser, but keep in mind he was under the influence. Some people are overly happy when intoxicated while others are mad. Obviously alcohol makes this POS happy. Once he sobered up and realized what he did, I can guarantee he WAS NOT smiling! Thank God he didn’t kill anyone, my thoughts and prayers are with the injured trooper for a speedy recovery.

    • Rob Stark on December 9, 2016 at 9:27 am

      Deputy, not a trooper

    • Anonymous on December 11, 2016 at 9:25 am

      How do you know he wasn’t smiling?

  24. Anonymous on December 8, 2016 at 7:50 am

    Case search shows the violation time being 4:57 am while the story indicates approx. 1:20 am?

    • cheywolf on June 1, 2017 at 8:38 am

      That was probably the time the jail booked him in officially. The accident was probably at 1:20 am.

  25. County Commisioner on December 8, 2016 at 2:34 pm

    EXCELLENT detective work there Sherlock. Drop the charges.

  26. Anonymous on December 9, 2016 at 4:01 pm

    you ppl are some of the stupidest ppl i know. yes the event occured around 130 am….. violation time is when he saw the commissioner and was booked

    • Anonymous on December 12, 2016 at 10:19 am

      Stupidest? No, I think you got us there with your “ppl.” And no, the violation time would be the time he struck the officer. He didn’t violate anything when he saw the commissioner. Idiot.

  27. Common ground on December 10, 2016 at 11:22 am

    He should of made a wiser decision; Knowing your going to be out drinking and possibly to the point of not being able to coherently make it home. Should have had back up plans or called someone instead. You’d be surprised about who would be there if he reached out. Sad to think about, young guys future is tainted because of poor decision :/
    As for the police officer who pushed the other person out of the way, cuddos he’ll be looked to as a hero as he should be. Glad to see he didn’t parish

    • Grammar Nazi on December 14, 2016 at 7:29 am

      He should “have” made a wiser decision.


      He should’ve made a wiser decision.

      • Eyedea on June 1, 2017 at 11:45 am


        A wiser decision could’ve been made.


        Decisions were made and none of them wise.


        Of all the decisions he could’ve made, he should’ve gone with the wisest.


        Dude, grammar nazis suck.

    • The Other Grammar Nazi on June 1, 2017 at 7:50 am

      “Knowing you’re going to be out drinking…”


      “Knowing you are going to be out drinking…”

  28. Anonymous on December 11, 2016 at 2:18 pm

    Hey the guys smiling cuz he has been smoking his opium pipi

  29. Anonymous on June 1, 2017 at 8:45 am

    What a joke of a sentence. He belongs in prison for the whole 3 years not the local jail for a measly one year. He deserves 10 to 15 for attempted murder. One year is nothing, I doubt he will learn anything from this. I will make a prediction now that we will see him on here again. I just hope it is not because he killed some innocent person while driving drunk.

    • Bob Lob Law on June 1, 2017 at 1:36 pm

      You’re a regular Nostradamus with these bold predictions.

      • Anonymous on June 2, 2017 at 7:57 am

        This is a true compliment coming from the original Nostradumbass.

        • cheywolf on June 2, 2017 at 12:19 pm

          Wow, that was clever. The guys a troll and everyone knows this, which makes you look pretty dumb arguing with him/her.

          • Anonymous on June 5, 2017 at 8:15 am

            Yes, I am so ashamed. I have completely destroyed the reputation of my screen name “Anonymous”. How can I ever go on?

  30. Rob Stark on June 1, 2017 at 3:17 pm

    To: Southern Maryland News Net,

    Thanks for publishing the follow up on this case. In the future, would it be possible to let us know who the prosecutor is and also the name of the sentencing judge? It would go a long way in giving the voting public the information needed when voting for these positions in the future.

    Thank you.

    • Winter is Coming on June 2, 2017 at 7:45 am

      King of the North!

    • Willie on June 3, 2017 at 7:34 am

      It is your responsibility as a voter to gather all information of who you plan to vote for and why. That means research. Google and MD Case Search are your friends. Do not rely on the media (no offense SMN) to do the job for you.