Investigators are trying to find clues leading up to the deadly attack through the surviving suspect's deleted Instagram account.
Friends of Dzhokhar Tsarnaev say the account was only deleted recently.
Investigators moved the boat where one week ago Friday, police surrounded and captured Dzhohkar Tsarnaev.
U S Marshals say, the 19-year-old is now at a federal prison medical center about 40 miles from boston.
Nearly 30 people remain hospitalized, including the man who helped identify Tsarnaev's older brother, tamerlan.
27-year-old Jeff Bauman, who lost both legs in the bombings, told a Boston-area radio station, he briefly made eye contact with Tamerlan just before the blasts.
"He just didn't seem right you know? You size somebody up and you look at him and say, what's this guy's problem?"
As Boston moves forward. The Celtics took time during their playoff game to remember the victims with a video tribute and to honor those who responded to the bombings.
They also continued what's become a new Boston tradition since the blasts. The crowd sang the national anthem acapella.
