PITTSBURG, Kan. (AP) — One of four men charged in the robbery and slaying of a Pittsburg State University student has pleaded no contest to conspiracy and will testify against two of the others.

The Joplin Globe reports 25-year-old Tyler Smith entered his plea in Cherokee County District Court on Monday. It’s part of a deal in which prosecutors will recommend a two-year prison sentence, with a second conspiracy count to be dropped.

In exchange, Smith will testify against 22-year-old Darius Rainey and 20-year-old Corbin Spragg. Both are being held on $2 million bond for charges of felony murder and four other counts in the Oct. 9 slaying of 20-year-old engineering student Taylor Thomas.

A fourth man, Bryan Bridges, also has been charged with murder but has not been found since the killing.