BOSTON (AP) — Most family members of the Boston Marathon bombing suspects are standing by them, and expressing doubts that the two brothers were actually responsible for the bombings that killed three people and wounded more than 180 others.

Their sister -- whose home was searched by the FBI today in New Jersey -- told reporters she wasn't sure the accusations against her brothers were true. Police said she's cooperating with the investigation. They describe her as "heartbroken, surprised and upset."

Their father, speaking from southern Russia, insists his sons "were set up." He says he saw on TV that his older son, 26-year-old Tamerlan Tsarnaev (tsahr-NEYE'-ehv), was killed by authorities, and that 19-year-old Dzhokar Tsarnaev (joh-KHAR') is being intensely pursued. The father describes the 19-year-old as a "true angel" and an "intelligent boy."

In Toronto, an aunt of the two suspects says the older one recently became a devout Muslim who prayed five times a day. She said she doesn't believe they could have been involved in Monday's attack.

But an uncle who lives in Maryland says he's "ashamed" of his nephews. He urged the 19-year-old to turn himself in and to "ask for forgiveness from the victims."

When he was asked what might have provoked the bombings, Ruslan Tsarni said, "Being losers, hatred to those who were able to settle themselves." He said his nephews had struggled in the U.S. and ended up "thereby just hating everyone."

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247-a-11-(Maret Tsarnaeva (MEHR'-eht tsahr-NEYE'-vah), aunt of Boston Marathon bombing suspects, with reporters)-"them to this?"-Bombing suspects' aunt Maret Tsarnaeva says she can't believe her nephews were the bombers. (19 Apr 2013)

<<CUT *247 (04/19/13)>> 00:11 "them to this?"

248-a-04-(Maret Tsarnaeva (MEHR'-eht tsahr-NEYE'-vah), aunt of Boston Marathon bombing suspects, with reporters)-"picture was staged"-Bombing suspects' aunt Maret Tsarnaeva says once she got past her initial shock she began to think her nephews are being made scapegoats for the bombing. (19 Apr 2013)

<<CUT *248 (04/19/13)>> 00:04 "picture was staged"

GRAPHICSBANK: Ruslan Tsarni, uncle of Boston Marathon bombing suspects, Montgomery Village, Maryland, graphic element on gray (19 Apr 2013)

APPHOTO MDJL120: Ruslan Tsarni, uncle of the Boston Marathon bombing suspect, speaks with the media outside his home in Montgomery Village in Md. Friday, April, 19, 2013. In a passionate plea, Tsarni urged his nephew to turn himself in Friday, saying he had brought shame to the family and the entire Chechen ethnicity. (AP Photo/Jose Luis Magana) (19 Apr 2013)

<<APPHOTO MDJL120 (04/19/13)>>

APPHOTO NYKS301: This combination of undated photos shows Tamerlan Tsarnaev, 26, left, and Dzhokhar Tsarnaev, 19. The FBI says the two brothers and suspects in the Boston Marathon bombing killed an MIT police officer, injured a transit officer in a firefight and threw explosive devices at police during a getaway attempt in a long night of violence that left Tamerlan dead and Dzhokhar still at large on Friday, April 19, 2013. The ethnic Chechen brothers lived in Dagestan, which borders the Chechnya region in southern Russia. They lived near Boston and had been in the U.S. for about a decade, one of their uncles reported said. (AP Photo/The Lowell Sun & Robin Young) (19 Apr 2013)

<<APPHOTO NYKS301 (04/19/13)>>

APPHOTO CHY103: Maret Tsarnaeva, an aunt of the two suspects in the Boston Marathon bombing, holds a reporter's smart phone which displays a scene from the bomb site, as she speaks to journalists in the lobby of her apartment building in Toronto on Friday April 19, 2013. Tamerlan Tsarnaev, a 26-year-old who had been known to the FBI as Suspect No. 1 and was seen in surveillance footage in a black baseball cap, was killed overnight, officials said. His brother, a 19-year-old college student who was dubbed Suspect No. 2 and was seen wearing a white, backward baseball cap in the images from Monday's deadly bombing at the marathon finish line, escaped. (AP Photo/The Canadian Press, Chris Young) (19 Apr 2013)

<<APPHOTO CHY103 (04/19/13)>>