A man named Mark Taylor has been arrested for the murder of his mother and half-brother in Antioch after their decomposed bodies were found during a welfare check.

A man was arrested after the bodies of his mother and half-brother were found at an Antioch home on Wednesday in “advanced stages of decomposition," police said.

The Antioch Police Department (APD) announced the arrest of a man following the discovery of his mother and half-brother’s bodies, which were found decomposing in their home. Officers responded to a welfare check at 2600 Fairmount Lane on Oct.

A man and a woman were found dead in Antioch on Wednesday following a welfare check and the woman's son has been arrested on suspicion of murder, according to police.

A Bay Area man was arrested on suspicion of killing his mother and half-brother after authorities said they discovered their decomposing bodies at his home in Antioch. The Antioch Police Department said Thursday that officers were dispatched to the home for a welfare check shortly after 4 p.