Nigel Jay was reported missing on Wednesday, after not contacting his family or friends since Sunday.
According to police, Jay has no history of failing to contact his family or friends. His family told police his disappearance is suspicious and that they are concerned that something bad has happened to him.
The police investigation revealed that Nigel was last seen at about 11 p.m. Sunday in Alameda.
Anyone with information on Jay's whereabouts is asked to contact the local police jurisdiction or Hayward police at (510) 293-7000.