Tsarnaev Incentive News Today

Delay. >> it would be my opinion that they had somebody who was more of a skilled bomb-maker, an engineer if you will assist them in saying these are the steps you ned to go through. >> reporter: tsarnaev incentive told police he and his -- dzhokhar tsarnaev told police he and his brother acted alone. explosives were made with improvised fuse was christmas lights and remote-controlled detonators made from model kparts. not impossible -- car pars. not impossible but hard to get right without test...