Police suspect Gaithersburg man missing since August was murdered Authorities have no proof that he is dead By Dan Schere | March 3, 2021 | 2:50 pm Montgomery County police say a Gaithersburg man who went missing in August might have been murdered, although they can’t confirm he is dead. Jose Antonio Gonzalez, then 32, of Horizon Run Road, was reported missing by his family on Aug. 23 – two weeks after they said they last had contact with him, according to a press release from Aug. 31. Police said in another press release on Wednesday that detectives “collected information” leading them to believe Gonzalez was murdered. Police did not explain what the evidence was, or why they think he was murdered.