Technology helps trap serial bomber
It took authorities 17 years to find the Unabomber.
It took them 19 days to find the Austin bomber.
The difference largely boiled down to technology. Smartphones and surveillance cameras played an instrumental role in tracking down Mark Anthony Conditt, who officials said was responsible for the string of attacks this month that terrorized Austin, Texas.
He was seen on video in two FedEx package shops. Authorities identified cellphone data that placed him at the site of
