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.
Source: L. 71: R&RE, p. 456, § 1. C.R.S. 1963: § 40-8-107.