next tonight, authorities in denver have obtained surveillance video they say is from monday's shooting spree that left six people dead, including the gunman. these images here, which law enforcement confirms are part of the investigation, appear to show the suspect exiting a car and calmly entering a tattoo parlor with a gun at his side. a few seconds later, he leaves. the rampage spanned seven different crime scenes before the suspect was killed in a shootout with police. now, to the massachusetts man who kept a major secret for more than 50 years from his own family. before 71-year-old thomas rendell died in may, he told his wife and daughter that his real name was ted conrad and that he robbed a bank in cleveland back in 1969. authorities, who had been looking for conrad since the heist, still don't know what happened to the stolen money worth $215,000. when we come back, alaska's steamy temperatures this december, breaking records scientists never thought possible. i'm still drawn to what's next. even with higher stroke risk due to afib