Tacoma police released surveillance images Tuesday of a gunman suspected of three armed robberies late Thursday.
Investigators said the suspect and another man could be responsible for as many as 12 robberies in Pierce County in the past month.
The Thursday night holdups began about 9:30 p.m. when a man robbed a clerk at the Chevron station at 3305 S. 56th St. He brandished a gun and took cash from the register, police reported.
The same man is suspected of robbing Park Avenue Foods, 7214 S. Park Ave., about 10 p.m. About 90 minutes later, the same robber held up the Union 76 station at 1822 S. Jackson St., police said.
After each robbery, the suspect left on foot. Police believe he got into a car waiting nearby.
The robber wore a dark-colored bandanna over his face in each robbery.
None of the employees was injured.
Tacoma police detectives were looking into whether the man is connected to nine other robberies in Pierce County since May 11 in which investigators believe two men worked together.
The primary suspect has been described as Hispanic, in his 20s and 5 feet 9 to 6 feet tall with a medium build.
Tacoma-Pierce County Crime Stoppers is offering up to $1,000 for information leading to someone being arrested and charged in the case. Tipsters may remain anonymous. Reach Crime Stoppers at 253-591-5959.