(1) Renunciation and abandonment are not voluntary and complete so as to be a defense to prosecution under this article if they are motivated in whole or in part by:
(a) A belief that a circumstance exists which increases the probability of detection or apprehension of the defendant or another or which makes more difficult the consummation of the crime; or
(b) A decision to postpone the crime until another time or to substitute another victim or another but similar objective.
Source: L. 71: R&RE, p. 417, � 1. C.R.S. 1963: � 40-2-401.