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About Me

Mr. McManus has been practicing law for twenty years, and for the past ten years he has been a partner at the firm. He began his career as a law clerk for Judge Joseph Mattingly in St. Mary's County Maryland and then worked as a prosecutor in both St. Mary's and Prince George's County.


His more noteworthy criminal cases include:


* In 1985, Michael John Desasrno was convicted of sexual child abuse for acts committed by the former highschool wrestling coach while acting in the capacity as a wrestling coach.


* In 1987, Mr. McManus successfully prosecuted Willie Horton for beating and raping an Oxon Hill woman. The case received national media attention in the 1988 presidential election between George Bush and Michael Dukakis. Willie Horton, serving a life sentence for murder, escaped from a Massachusetts prison furlough program to commit the rape, while Mr. Dukakis was governor of the state.


* In 1988, Mr. McManus convicted a trucker for Motor Vehicle manslaughter in the 1986 deaths of two highschool girls in Riverdale. A truck with 18 safety defects carrying hot asphalt stalled at the top of a hill and rolled into a car occupied by three highschool girls. One was severely injured and the other two died when nearly 14,000 pounds of hot asphalt was dumped on the car.


Mr. McManus has developed a reputation as one of the premier personal injury attorneys in Southern Maryland. He has successfully represented both plaintiffs and defendants in a number of major truck accident cases, and developed a specialty in negotiating complex personal injury settlements.


Mr. McManus has lectured, along side several judges, at multiple personal injury seminars for lawyers. An 'AV' rated attorney, he is a member of the American Bar Foundation, the Maryland State Bar Foundation, the Governor's Trial Courts Nominating Commission, and has chaired or co-chaired the local bar's Tort Law Sub-Committee for the past seven years.


Photos and Videos

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Practice Areas


  1. Personal Injury: 35%
  2. Criminal Defense: 30%
  3. Commercial: 15%
  4. Defective and Dangerous Products: 10%
  5. Trucking Accident: 10%



Contingent (33%)

Payment Types:

Cash, Check, Credit Card

Attorney Endorsements

4 total 

  • Jason Alan Deloach

    Every lawyer in the area knows what a supeb lawyer Tom is. He excels in the courtroom due to his experience, dilligence and passion for the rule of law.


    Jason Deloach Personal Injury Attorney
    Relationship: Fellow lawyer in community

  • No photo

    I endorse this lawyer's work.


    Andrea Peters
    Relationship: Fellow lawyer in community

Contact Info

Sasscer, Clagett & Bucher

5407 Water Street Suite 101
Upper Marlboro, MD, 20772-3048



Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Award NameGrantorDate Granted
Super LawyerMaryland Super Lawyers2013
AV ratedMartindale-Hubbell2009
Certificate of AppreciationCourt of Appeals of Maryland2005
Work Experience
TitleCompany NameDuration
Law ClerkCircuit Court for St. Marty's County1980 - 1981
Association NamePosition NameDuration
Maryland State Bar FoundationLifetime Fellow1996 - Present
American Bar AssociationFellow1994 - Present
Prince George's County Bar Association, Tort Law SectionChair1993 - 1999
Prince George's County Bar AssociationMemberN/A
American Bar FoundationMemberN/A
Governor's Trial Courts Nominating CommissionMemberN/A
School NameMajorDegreeGraduated
Catholic University of America, Columbus School of LawLawJD - Juris Doctor1979
Tufts UniversityEnglishBA - Bachelor of Arts1976
Speaking Engagements
Conference NameTitleDate
Cross Examination & Trial TechniquesTrial Skills2010
Trial TechniquesCross Examination2008
Trial Skills for ProsecutorsEvidence and Cross Examination2006
Tort Law SeminarAnatomy of a Civil Trial2000