PHOENIX -- The FBI is helping Tempe police in the search for a 19-year-old woman missing since June 15, officials said Wednesday.
The mother of 19-year-old Adrienne Salinas said she's praying that her daughter is still alive.
``I want to tell her if she's watching ... Hang on please,'' Suzanne Coss told Phoenix TV station KPHO. ``We're coming to get you ... We're going to find you.''
Tempe police contacted the FBI ``to make sure we are doing everything possible'' in the search for community college student, said Sgt. Mike Pooley, a police spokesman.
``We are providing assistance,'' said FBI spokesman Manuel Johnson in Phoenix, adding that the agency wasn't taking over the case.
Pooley said the FBI brings more resources and manpower to the investigation.
Salinas left her disabled car at her apartment, called a cab company about 5 a.m. on June 15 and asked to be picked up at a nearby convenience store so she could visit her boyfriend in Scottsdale, according to police.
Her cellphone either died or was turned off shortly after the call was placed.
The cab driver told police that Salinas never showed up. Police say he's not considered a suspect and neither is Salinas' boyfriend who has cooperated with investigators.
Family members, friends and the Silent Witness Program have raised an $8,0 reward for information leading to her return.
Friends also have distributed fliers about the case and Rick Salinas is conducting interviews with media outlets to keep the case in the news, hoping that someone will call in a tip that leads to his daughter's safe return.
``It's great that the FBI is getting involved,'' he said. ``I don't want this to turn into a cold case.''
Information from: KPHO-TV, http://www.kpho.com/