Ex-Walgreens employee , Matthew Kell, has been arrested on suspicion of robbing seven pharmacies

An ex-Walgreens employee has been arrested on suspicion of robbing seven pharmacies from June to July, police said.

Matthew Kell, 30, was arrested in Anaheim for a warrant on charges of robbery, burglary and theft in connection with crimes committed in the east Valley.

Kell is accused of stealing OxyContin pain pills, detectives said.

Chandler and Mesa detectives said they worked closely with the Anaheim and Los Angeles police in locating, tracking and arresting Kell.

Kell was recognized by another former Walgreens employee through an RXPatrol bulletin issued about the string of thefts, robberies and burglaries, said Detective David Ramer

In addition, an off-duty Chandler officer recognized Kell in the bulletin as a person he had seen at a fitness center.

The East Valley Gang & Criminal Information Fusion Center coordinated the multiple investigations out of Chandler, Mesa, Tempe, Scottsdale and Gilbert, Ramer said.

Police are seeking Oxycontin robbers

Phoenix, Arizona

Silent Witness has an overall reward of up to $5,000 for these cases for any information that leads to the arrest or indictment of any of the suspects.

Silent Witness is asking for you help in identifying suspects from a series of unrelated Oxycontin robberies from pharmacies around Phoenix.

Although it appears that one suspect may be responsible for several robberies, each case is independant. Other depicted robbers are not believed to be in any relationship with the other unsolved case.

Police have several photos of independant suspects during the robberies that involve Oxycontin.

Silent Witness has an overall reward of up to $5,000 for these cases for any information that leads to the arrest or indictment of any of the suspects.