WEST NEW YORK, N.J. (CBSNewYork/AP) — The FBI removed a computer from the New Jersey home of the sister of the Boston Marathon bombing suspects.

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Police said Alina Tsarnaeva was cooperating with the investigation and was “heartbroken, surprised and upset,” though she told reporters she wasn’t sure the accusations against her brothers were true.

Police in West New York cordoned off the three-story brick building across the Hudson River from New York City as federal agents remained inside.

Alina Tsarnaeva told agents that she had not been in contact with her brothers for years, said West New York Police Director Michael Indri, who confirmed she was a sister of the bombing suspects.

Indri said they were keeping people away from the sister and her building, in part, for the neighbors’ safety.

“We made sure that every citizen is protected,” Mayor Felix Roque told WCBS 880’s Levon Putney.

The FBI left the building with a desktop computer and several bags containing other items.

Dzhokhar Tsarnaev, 19 (FBI)

Dzhokhar Tsarnaev, 19 (FBI)

The bombing suspects were identified as Dzhokhar Tsarnaev, 19, of Cambridge, Mass., and his brother, Tamerlan Tsarnaev, 26. Tamerlan was killed in an exchange of gunfire with police Thursday night.

Following an intense manhunt, law enforcement finally captured the second Boston Marathon bombing suspect on Friday night.

It came after a short standoff in the backyard of a residence in a Watertown neighborhood. Dzhokhar Tsarnaev was then taken into custody and arrested by Boston Police.

A police spokesman told CBS News’ Don Dahler that Tsarnaev was in “serious if not critical condition.” Sources told CBS News’ John Miller that Tsarnaev suffered gunshot wounds to the neck and leg and had lost a lot of blood before being captured.

Earlier, Alina Tsarnaeva pleaded for privacy.

“I’m not OK, no-one is OK. It’s very shocking news,” Tsarnaeva said. “[Dzhokhar] is an amazing child.”

“They are smart. My older brother was smart. I don’t know what got into them. I have no idea what got into them,” Tsarnaeva said.

She also said she is sorry for “all the people who are hurt.”

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