MPD: School shooting motive "combination of factors"

Madison police are still investigating the motive behind Monday's school shooting at Abundant Life Christian School. Answering the question ? "Why?" ? is their top priority. Police previously identified the suspect shooter as 15-year-old Natalie Rupnow, who went by Samantha ? a student at Abundant Life Christian School. LiveNOW from FOX host Josh Breslow spoke to Justin Heinze from the University of Michigan on the latest.