Law Office of Marshall McCallum - Dallas, TX

Tenacious Criminal Defense Advocacy in Dallas

Facing criminal accusations places an individual freedom, livelihood, and reputation on the line. Located at 325 North St. Paul Street in the heart of downtown Dallas, the Law Office of Marshall McCallum delivers decisive, trial-tested defense for individuals facing misdemeanor and felony accusations in state and federal courts. The practice is anchored by attorney Starling Marshall McCallum, a seasoned litigator who earned his Juris Doctor from South Texas College of Law and was admitted to the State Bar of Texas in 2000. Drawing on his foundational experience as a former Dallas County Assistant District Attorney, Mr. McCallum provides clients with an insider understanding of how prosecutors evaluate evidence, structure indictments, and build their cases.

Comprehensive Criminal Defense Practice Areas

The firm provides aggressive defense representation across a broad spectrum of criminal allegations, with a focus on constitutional protections and evidence suppression:

DUI and DWI Defense

A driving while intoxicated arrest can trigger mandatory driver license suspensions, hefty fines, and incarceration. Selected by D Magazine among the Best Lawyers in Dallas for DUI and DWI defense, Marshall McCallum scrutinizes every phase of the traffic stop. He examines the legality of field sobriety tests, challenges search warrants for chemical blood draws, questions the maintenance logs of breath test machines, and represents clients during Administrative License Revocation (ALR) hearings. When motorists need a lawyer urgently after a late-night traffic stop to protect their driving privileges, swift legal intervention is vital.

Drug Crime Defense

The practice represents clients confronting state and federal drug charges, ranging from misdemeanor possession to complex distribution, conspiracy, and trafficking charges. Attorney McCallum investigates search procedures to identify Fourth Amendment violations, challenging unlawful vehicular searches, defective warrants, and improperly seized contraband.

Violent Crimes and Assault Allegations

When charges involve assault, aggravated assault with a deadly weapon, domestic violence, robbery, or weapons offenses, high penalties require unwavering advocacy. As an experienced courtroom advocate among criminal defense lawyers, Mr. McCallum rigorously challenges witness reliability, highlights inconsistencies in police reports, and asserts self-defense where justified.

Federal Crimes and White Collar Defense

Admitted to practice before the U.S. District Courts for the Northern and Eastern Districts of Texas as well as the U.S. Court of Appeals for the Fifth Circuit, Marshall McCallum defends individuals in high-stakes federal proceedings. His federal work encompasses conspiracy, healthcare fraud, financial crimes, and firearms allegations, serving both private clients and defendants through Criminal Justice Act appointments.

The Former Prosecutor Advantage

Having investigated and tried substantial cases as a prosecutor, Marshall McCallum understands the pressure points of the state case. This background enables him to pinpoint investigative flaws early, negotiate pre-trial diversions or dismissals where feasible, and take cases to a jury trial when prosecutors refuse to act reasonably. The firm offers bilingual assistance in Spanish and English, ensuring accessible communication for diverse communities across the Dallas-Fort Worth metroplex.

Protect Your Rights with Seasoned Defense

Individuals who need to hire an attorney or find a lawyer with a quarter-century of criminal law experience can reach out directly to the Law Office of Marshall McCallum to schedule a confidential case consultation.