KUSA - A law-enforcement official confirmed to 9NEWS that security at the Colorado Governor's Mansion has been increased after the executive director of the Department of Corrections was murdered Tuesday night.

The Colorado Department of Corrections on modified "lockdown," sources tell 9NEWS Reporter Chris Vanderveen. Security has been tightened and visitors are temporarily not allowed. There are also no work programs allowed at prisons during this lockdown.

9NEWS Investigative Reporter Jace Larson spoke to State Representative Rhonda Fields Wednesday morning after she learned about the murder. She told Jace she was heartbroken, but it is an important reminder that everyone needs to be mindful of their own, personal security.

Authorities say Clements was shot in the chest when he answered the door of his home just after 8:30 p.m. Tuesday. Police are not releasing the extent of Clements' injuries or the type of weapon that was used.

Lieutenant Jeff Kramer with the El Paso County Sheriff's Office says a family member who was home at the time made the 911 call. He is not releasing which family member made the call He is also unaware of where Clements' family was during the shooting.

Kramer says they do not have a suspect identified. Although the killer is on the run, authorities do not believe the neighborhood or area where the shooting happened is in danger. Police canvassed the area and informed neighbors about the crime. No reverse emergency notifications were sent out.