ST. MARY'S COUNTY, Md. — A 47-year-old man from Mechanicsville, Md., has been charged with first- and second-degree arson.

Mechanicsville VFD

Mechanicsville VFD
Michael Robert Guy set his home on fire Monday morning. Police arrived at the house at 27099 Morganza Turner Road. Authorities say the fire began inside the attached garage and spread throughout the home.

St. Mary's County Sheriff's Office
The home is being seen as a complete loss. The Office of the State Fire Marshal is investigating to confirm the origin and cause of the blaze.

Mechanicsville VFD
During the initial investigation, authorities state Guy admitted to setting his parent's 2003 Cadillac on fire on Saturday. This too is actively under investigation.
Guy is being held without bond at the St. Mary's County Detention Center.