Criminal Defense
A former prosecutor in your corner — strategy informed from the inside.
Criminal Defense representation in Massachusetts
Facing criminal charges can threaten your freedom, your record, and your future. As a former Assistant District Attorney with the Suffolk County DA's Office, Attorney Mahaney understands how the prosecution builds its case — and how to dismantle it.
- Felony & misdemeanor charges
- OUI / DUI defense
- Drug offenses
- Assault & battery
- Theft & property crimes
- Probation violations & appeals
Why hire Joseph M. Mahaney for your criminal defense case?
40+ Years of Experience
Four decades of litigation across personal injury and criminal matters.
Former Assistant District Attorney
Prosecutorial insight from the Suffolk County DA's Office strengthens every case.
State & Federal Court Experience
From Massachusetts courts to the First Circuit and the U.S. Supreme Court.
Dedicated to Client Success
Every case is prepared for trial from day one — with direct attorney access.
Frequently asked questions
No. You have the right to remain silent and the right to an attorney. Politely decline to answer questions and contact a defense attorney immediately — anything you say can be used against you.
It depends on the outcome and the type of charge. In some cases, charges can be dismissed or sealed. Attorney Mahaney works to protect your record at every stage.
Having prosecuted cases for the Commonwealth, Attorney Mahaney knows the strategies the other side uses and where their cases are vulnerable — insight that directly benefits your defense.
Discuss your criminal defense matter.
Tell Attorney Mahaney about your situation. Every inquiry is reviewed personally — and your consultation is free.