A Casper teenager accused of robbing two gas stations, will stay at a mental institution for a bit longer, and court proceedings have been postponed.

Based on an a mental evaluation from the Wyoming State Hospital in Evanston, Natrona County District Court Judge Daniel Forgey, has ruled that Brandon Reeder lacks the mental fitness to proceed.

State Hospital employees said that Reeder is taking medication voluntarily, and is undergoing therapy.

The Hospital is to have a new report submitted to the court within 90 days.

Reeder is facing two charges of aggravated robbery.

Investigators with the Casper Police Department say in April 2015, calls came in regarding a robbery, first at the Ridley's Family Market Gas Station, near the corner of 2nd and Wyoming Boulevard and then at the Homax Station on the 600 block of South Poplar Street.

In both cases, the robber brandished a revolver and was wearing a black ski mask with black plastic eyeglasses.

Police later determined after the first robbery that a person holding a ski mask and matching the earlier description, was at another gas station.

Officers were able to obtain surveillance video, and matched it to school records and to Reeder's Facebook page.

Two other people told investigators that a short time before the first robbery, they had seen a person putting on a ski mask while walking on East Second Street.

Reeder was eventually found by police and taken into custody.

When interviewed he denied committing the robberies, but officers were eventually able to locate the clothes identified in both robbery instances, and found the gun in Reeder's vehicle.

Although Reeder was 17 at the time he was arrested, he is being charged as an adult.

He could face between five-to-25 years in prison on each charge if convicted.