Police were looking for a pair of men who busted into a home and robbed a group who were playing poker.
The home's surveillance system captured images of the suspects.
One of the men was wearing a horse mask and carrying a wooden paddle.
The second suspect had a bandana covering his face and was armed with a handgun.
The men barged into the home in the 2100 block of Columbine Avenue around 11 p.m. on May 25.
"They threatened the players with a black handgun and then fled with an undisclosed amount of cash," police said in a press release.
The man who was wearing the horse mask was described as being between 5'6" and 5'9" and weighing around 220 pounds.
The masked man was described as a Hispanic male with short hair, between 5'9" to 5'11" and weighing between 160 and 180 pounds.
Anyone who may have information is asked to call Detective Heather Frey at 303-441-3369 or Northern Colorado Crime Stoppers at 1-800-222-TIPS (8477).
Tips to Crime Stoppers can remain anonymous and could result in a reward up to $1,000.
