11:50 a.m.

Jurors have been read portions of a government report detailing how U.S. authorities were warned two years before the Boston Marathon bombings that Tamerlan Tsarnaev was planning to travel to Russia to join groups engaged in jihad.

The report describes how the FBI received a letter from Russia in 2011 expressing concerns that Tamerlan had become radicalized and could return to Russia to join extremist groups. The letter asked the FBI to notify the Russian government if Tamerlan tried to travel to Russia.

The report says the FBI investigated Tamerlan but closed its review in June 2011 after finding no evidence of terrorist activity.

Tsarnaev and his brother, Dzhokhar, committed the bombings. Dzhokhar is on trial and could be sentenced to death. Tamerlan died days after the bombings.

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10:55 a.m.

The jury in the trial of Boston Marathon bomber Dzhokhar Tsarnaev has been shown two photographs of him as a child.

The photos were displayed Wednesday during the testimony of the son of the family’s landlord in Cambridge.

Sam Lipson described Tsarnaev as a “very sweet” kid when he first met him more than a decade ago after the family arrived from Russia. In one photo, his older brother, Tamerlan, has his arm around Dzhokhar. In the other, Dzhokhar is with his mother and sisters. He is about 9.

During cross-examination, Lipson acknowledged he didn’t have much contact with Dzhokhar as he got older.

The prosecutor then asked Lipson if he knew Dzhokhar was a drug dealer in college. Lipson said he did not.