RCMP Cpl. Blair Ross pleaded guilty to theft, breach of trust by a public officer and possession of a controlled substance. (CBC)

A Prince Edward Island RCMP officer pleaded guilty on Friday to multiple charges for stealing evidence from the exhibit locker in the Montague detachment.

In June, the RCMP accused Cpl. Blair Ross of stealing prescription pills. He was charged with theft, breach of trust and possession of a controlled substance. He pleaded guilty to all three charges.

According to the RCMP, Ross was the exhibit custodian in Montague. He was one of just a few staff members with access to the evidence locker.

After the district commander noticed several types of prescription narcotics were missing this summer, he called in the Major Crime Unit which found evidence that Ross had stolen them.

This is the second time Ross will be sentenced for a crime.

In February 2011 he was given a suspended sentence for assaulting a man while off duty. He continued working with the RCMP following that incident.

This time, Ross has been suspended with pay and the RCMP said that will continue until he's sentenced.

Ross is scheduled back in court Feb. 6 for sentencing.

The RCMP is also running an internal conduct investigation into Ross's actions.