PINELLAS COUNTY, Fla. -- The Pinellas County Sheriff's Office has a new person of interest in mind for a string of armed robberies in Pinellas County.

Police are searching for 23-year-old Willie Cunningham for probable cause in the Largo and Oldsmar armed robbery cases.

The first robbery happened at a Citgo located on Ulmerton Rd. in Largo Saturday. The second and third robberies happened at the Speedway at the 11700 block of Seminole Boulevard and the Circle K in the 3100 block of Tampa Road in Oldsmar.

Two suspects have already been arrested in the case.