COLORADO SPRINGS, Colo. (CBS4)- Police in Colorado Springs have arrested a second suspect in connection with the murders of a Fort Carson soldier and his wife.

Police arrested Jerel Couch on charges of harboring a fugitive after detectives found and arrested the primary suspect in the case.

Macyo January was arrested Thursday night for the murders of David Dunlap and his wife, Whitney.

Police believe January, 17, was in the process of robbing their home when the couple walked in.

Macyo January (credit: Colorado Springs Police)

The Dunlaps were expecting their first child.

Whitney Butler and David Dunlap (credit: Facebook)