Big Step Toward Normal News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Ever met now part of this massive worldwide investigation. ♪ this as boston's dead are remembered. >> he was born to be a police officer and he lived out his dreams. ♪ >> reporter: thousands in attendance for memorial for m.i.t. police officer sean collier. >> officer sean collier, we love you. >> reporter: in attendance, vice president biden who seemed to make news by suggesting that tsarnaev brothers were self radicalized. >> why were there al qaeda central out of the fatah or two twisted, perverted, cowardly knockoff jihadis. >> reporter: investigators saying nothing ruled out as boston...

Attendance for a memorial for m.i.t. police officer sean collier. >> officer sean collier, we love you. >> reporter: in attendance, vice president biden who seemed to make news by suggesting the tsarnaev brothers were self radicalized. >> why were two twisted, perverted cowardly knockoff jihadies? >> reporter: investigators saying nothing is ruled out as boston takes another big step toward normal. >> i think for life in boston it's very important that things move on because everyone's been very much -- very upset for the past week. >> reporter: the urban flow returning to boylston street at t...