KNTV Dateline NBC October 7, 2012
and who would take the fall for evil? "poison." welcome to "dateline," everyone. i'm lester holt. any parent will tell you two kids together can get into much more trouble than one alone. that same rule seems to apply to adults as well. any one of us might be strong enough to resist temptation on our own but too weak to resist a friend. the question tonight is -- did two friends together give in to the temptation to commit murder? here's keith morrison. >> it was september 11, 20011. just about everyone knows where they were that awful of day. like the glamorous trio that was traveli...