MILWAUKEE (CBS 58) -- 18-year-old Devon Brantley of Milwaukee was recently sentenced in federal court for charges coming from an attempted robbery of a Subway Restaurant in Milwaukee in September, 2016.

Brantley was sentenced to seven years and one day in prison.

According to the plea agreement, Brantley pointed a sawed-off shotgun at one restaurant employee, and that employee and her coworker fled to the restaurant’s freezer until police arrived. Brantley and his 16-year-old accomplice attempted to open the restaurant cash register but were unable to do so even though Brantley had previously worked at a Subway Restaurant.

Brantley was arrested after he was spotted walking down the street carrying the sawed-off shotgun.

This case was investigated by the Milwaukee Police Department and the FBI.