By Sari Horwitz

The surviving suspect in the Boston Marathon bombings told the FBI that he and his brother initially considered committing suicide bombings and also planned attacking on the Fourth of July at Boston’s large celebration along the Charles River, according to two law enforcement officials.

The suspect, Dzhokhar Tsarnaev, 19, said that he and his brother, Tamerlan, 26, decided to launch their attack earlier because they completed building the pressure-cooker bombs more quickly than they expected, according to the officials, who spoke on the condition of anonymity in order to discuss an ongoing investigation.

Tsarnaev said they constructed the bombs in Tamerlan’s Cambridge, Mass., apartment and considered several locations after driving around Boston in a car. He said they ultimately decided to explode the devices near the finish line of the race on Patriots Day, a major holiday in Boston, according to the officials.

Both law enforcement officials expressed some skepticism about Tsarnaev’s account, saying that the complexity of the bombs made it unlikely that the brothers could have completed them as fast as he claimed.

“Maybe we will never know,” said one of the officials, who has been briefed on the interrogation. “This is the story that he is telling us.”

Read More Boston suspect says bombings were initially planned for 4th of July – The Washington Post.