The Evidence: Tsarnaevs' movements detailed in affidavit
Here, the pair is seen 10 - 20 minutes before the attack, about a block-and-a-half from the blast site. Continue reading for a photo timeline and details from the affidavit laying out the federal case.
2:38 p.m. ET
Read the full criminal complaint here
2:38 p.m. ET
Read the full criminal complaint here
2:38 p.m. ET
Read the full criminal complaint here
2:42 p.m. ET
Read the full criminal complaint here
2:45 p.m. ET
Read the full criminal complaint here
2:50 p.m. ET
Read the full criminal complaint here