VALLEJO -- A man was found dead by his mother Sunday morning in the backyard of her home, Vallejo police said.

The incident was reported at about 9:30 a.m. in the 500 block of San Antonio Way inside the mobile home park, Vallejo Mobile Estates.

Lt. Kevin Bartlett said the victim's mother found her 33-year-old son near the backyard shed, and the victim had sustained a "suspicious wound."

Bartlett did not divulge the nature of the wound, but said that "the evidence led to a homicide."

The victim also lived at the residence, he added.

The man's name has not been released, and any motive or suspect in the case was not immediately known.