The St. Louis Metropolitan Police Department is investigating after a 31-year-old man was reported missing Tuesday.

According to police, Stephen M. Castile was last seen at a family member's house in the 2700 block of Park Avenue on June 2.

Castile's mother called the police on Tuesday to report him missing. She said he was not answering phone calls from family members and has not been at work, which she said was unusual behavior for her son.

Anyone with information can call St. Louis Metropolitan Police at (314) 231-1212