MURDER USA: Mark Garner Charged with the Depraved Heroin Murder of Barbara Sneden

Capt. Daniel Alioto, the commander of the Narco Squad of Sheriff Tim Cameron, reports that on August 31, 2016, St. Mary’s County Sheriff’s Office deputies and detectives from the Criminal Investigation Division responded to the 911 call for a possible overdose at a location in California, Maryland. Barbara Ann Sneden, 31, was found unresponsive and pronounced deceased.