Watch CNN.com Live for continuing coverage of the investigation and fallout from Monday's fatal bombings at the Boston Marathon.
Today's programming highlights...
9:30 am ET - FBI briefing on Boston bombings - FBI officials are expected to discuss their investigation into Monday's fatal bombings at the Boston Marathon.
9:30 am ET - Virginia Tech shootings remembered - Families and friends of those killed and injured six years ago at Virginia Tech gather outside the U.S. Capitol for a vigil.
10:00 am ET - Congress reacts to Boston bombings - House and Senate lawmakers are expected to comment on Monday's fatal bombings at the Boston Marathon.
12:30 pm ET - Jodi Arias murder trial - Trial resumes in Phoenix in the case of Jodi Arias, who's accused of killing her ex-boyfriend, Travis Alexander, in 2008.
1:15 pm ET - White House briefing - The Boston Marathon bombings are expected to be a key topic of discussion during Press Secretary Jay Carney's briefing in Washington.
CNN.com Live is your home for breaking news as it happens.