'It is killing me every day:' Mother wants answers after her son was killed in Colorado Springs

COLORADO SPRINGS, Colo. (KKTV) - A mother wants help to find her son's killer. Police say they found Robbie London shot to death inside his apartment in southeast Colorado Springs in December.

"I just don't understand what kind of monster would do that," said Clara London.

Clara London, Robbie's mother, says she knew something was wrong when he didn't pick up his grandson. Later, she found him at his apartment lying on the floor.

"I started screaming," said London. "And, I just went down."

Colorado Springs Police say it happened in the 2100 block of Delta Drive on the southeast side of Colorado Springs. Police responded before 3 p.m. They say they found 43-year old Robbie London dead of a gunshot wound in his apartment.

Police are asking anyone with information on this case to come forward.

This is a developing story, and 11 News will keep you updated as we learn more.