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Prince George’s County sheriff’s K-9 lieutenant who led the department’s entire K-9 unit is now facing explosives charges — for allegedly using his training on the wrong side of the law.
Micah Y. Sam, 51, was charged September 2-3 in connection with the April 2026 Annapolis “bomb house” case, where investigators pulled 32 explosive devices from a single home and filed 64 felony counts against resident Lee Ralston. According to charging documents from the Anne Arundel County Fire Marshal’s investigative bureau, Sam supplied Ralston with explosive materials — and the two allegedly conducted handoffs on Sam’s own boat at a South River marina in Edgewater.
The texts investigators recovered read like a movie script. “I have what we talked about on my boat,” Sam allegedly wrote. Ralston’s reply about the explosive material: “I don’t think so it’s super stable but you tell me.”
Sam’s law enforcement pedigree is what makes the case remarkable. As the PG County sheriff’s K-9 lieutenant, explosives training came with the badge. He left the sheriff’s office in late 2025 — resigning in lieu of termination during a timekeeping and wage theft investigation, according to officials.
He now faces two counts of explosive material with intent and one count of conspiracy — up to 25 years each — and was granted house arrest despite prosecutors calling him a danger to society. Ralston’s trial begins October 15, and prosecutors have signaled Sam’s case may intertwine with it.
From running the K-9 unit to a booking photo
Sam wasn’t a stranger to trouble before the explosives case. He resigned in the fall of 2025 — in lieu of termination — amid an internal investigation into timekeeping and wage issues, walking out of the agency he’d served as the lieutenant commanding its entire K-9 unit. Within a year, the federal-style charges arrived: two counts of explosive material with intent, plus conspiracy. Each carries up to 25 years.
The boat, the texts, and the bomb house
Prosecutors allege Sam supplied Lee Ralston — the man accused in April’s Annapolis bomb house case, where investigators pulled 32 devices and filed 64 counts — through handoffs at a marina on the South River in Edgewater. Sometimes, they say, from Sam’s own boat. Text messages cited in charging documents make the alleged arrangement read like a price check: “I have what we talked about on my boat,” Sam allegedly wrote. Ralston’s reply: “I don’t think so it’s super stable but you tell me.”
Ralston’s trial is set for October 15. Sam, despite a prosecutor’s argument that he was a danger to society, was granted house arrest pending his case. The Prince George’s County Sheriff’s Office says it found no explosives missing from its own custody — a question that hung over the case from day one. Sam is accused, not convicted.
