Watch CBSN Live

Police fear Boston bombing copycat

It's been three years since the deadly Boston Marathon bombing that killed three and injured more than 200 people. Boston police are wary of a copycat attack during Monday's marathon. CBS News senior national security analyst Juan Zarate joins CBSN to discuss.
View CBS News In
CBS News App Open
Chrome Safari Continue
Be the first to know
Get browser notifications for breaking news, live events, and exclusive reporting.