PHOENIX (January 15, 2010)—Police in Tempe, Ariz. have confirmed that officers executed a search warrant Thursday night at the home of a Scottsdale, Ariz. couple considered "persons of interest" in the case of a missing infant who hasn’t been seen since he and his mother made a trip to Texas last month.

Tempe Police Department spokesman Sgt. Mike Horn said the warrant was specific to the investigation of 8-month-old Gabriel
Johnson.

Horn said Friday the investigation is active and detectives are not releasing any further information at this time.

Jack and Tammi Smith have said Gabriel's mother Elizabeth Johnson, 23, wanted to give up her baby for adoption, but her ex-boyfriend wouldn't go along with it.

Tammi Smith spent Thursday afternoon at Tempe police headquarters.

She told reporters she requested the meeting to try and help police with the investigation.

Johnson remains in custody in Phoenix on charges of kidnapping, child abuse and custodial interference.

Crime Stoppers of San Antonio is offering a $5,000 reward for information that leads the infant’s safe return, police officials in the Phoenix suburb of Tempe announced Wednesday.

Anyone with any information can call Crime Stoppers at 210-224-STOP (210-224-7867).

Tips may also be submitted online.

The San Antonio Police Department has opened a missing person investigation into the disappearance the infant, who was last seen on Dec. 26 in San Antonio.

Investigators said his mother drove to Texas from her home in Tempe, stayed in San Antonio for about a week, and then took a bus to Florida without her baby son.

She was arrested Dec. 30 in Miami Beach and was returned to Arizona to face kidnapping and child abuse charges.

A grand jury indicted Johnson Thursday on charges of kidnapping, child abuse and custodial interference.

She remained in jail Friday.