TITLE 16. CRIMINAL PROCEEDINGS
CODE OF CRIMINAL PROCEDURE
ARTICLE 3. ARREST - SEARCHES AND SEIZURES
PART 2. AUTHORITY OF PERSON NOT A PEACE OFFICER TO MAKE AN ARREST
C.R.S. 16-3-202 (2012)
16-3-202. Assisting peace officer - arrest - furnishing information - immunity
(1) A peace officer making an arrest may command the assistance of any person who is in the vicinity.
(2) A person commanded to assist a peace officer has the same authority to arrest as the officer who commands his assistance.
(3) A person commanded to assist a peace officer in making an arrest shall not be civilly or criminally liable for any reasonable conduct in aid of the officer or for any acts expressly directed by the officer.
TITLE 18. CRIMINAL CODE
ARTICLE 8. OFFENSES - GOVERNMENTAL OPERATIONS
PART 1. OBSTRUCTION OF PUBLIC JUSTICE
C.R.S. 18-8-107 (2012)
18-8-107. Refusing to aid a peace officer
A person, eighteen years of age or older, commits a class 1 petty offense when, upon command by a person known to him to be a peace officer, he unreasonably refuses or fails to aid the peace officer in effecting or securing an arrest or preventing the commission by another of any offense.