Sources tell CNN that explosives residue has been found at the Cambridge home Tamerlan Tsarnaev shared with his wife Katherine and their young daughter.
The residue samples tested positive in at least three areas of the home: the kitchen table, the kitchen sink and the bathtub.
Deb Feyerick has the latest from Boston.
Boston bombing victim Jarrod Clowery's three friends were standing just a few feet away from the second explosion when it went off. While they all survived, each of them lost a leg in the blast.
Jarrod Clowery joins Erin Burnett from Spaulding Rehabilitation hospital in Boston.
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More than 260 people were injured in the Boston marathon bombings, and many will live the rest of their lives with permanent injuries.
Jarrod Clowery was standing just three feet away from the second explosion, Clowery miraculously survived.
Severely injured, Clowery spent more than two weeks in the hospital and is now at a rehabilitation facility on the road to recovery.
Erin is OutFront with the story.
Nearly uncontrollable wildfires are burning across 18,000 acres of land in the Los Angeles area.
Part of the Pacific Coast Highway, north of Malibu is closed and there are new evacuation orders tonight as the winds shift. Some 4,000 homes and a few hundred businesses in Ventura County are being threatened by flames.
The fire started inland early Thursday morning. In about a day, it traveled nine miles to the coast.
Kyung Lah is OutFront with the story.
The NRA came out in force today as the organization kicked off its three-day convention down in Houston, Texas. It's part pep-rally and part victory lap after the Senate rejected a plan to expand background checks last month.
And with a theme like "Stand and fight" – you know the NRA is ready to battle.
OutFront tonight: Radio Talk Show Host Stephanie Miller and Michael Medved – conservative commentator for Salem Radio.
Gun control in crosshairs at NRA convention – wp.me/p4HKM-1aNL
— CNN Political Ticker (@PoliticalTicker) May 3, 2013