SAN LEANDRO (KRON) – The body that was found near Lake Chabot in San Leandro Monday morning is believed to be a missing 18-year-old Richmond woman, her family tells KRON4.

Mariah Davis was last seen Wednesday leaving La Pinata Restaurant in San Leandro.

Davis’s mother Alfreda James tells KRON4 the San Leandro Police Department told her they found a body and they believe it’s Mariah Davis.

At around 5:20 p.m. police announced Monday evening that Anthony Pimentel, 19-year-old of San Leandro, has been arrested for the alleged homicide.

James tells KRON4 that Pimentel, who is the woman’s ex-boyfriend, turned himself into police and told them where they could find her body.

Court documents show he has been booked into the Santa Rita Jail for first-degree murder.