On Wednesday 17th April, two days after the Marathon, he tweeted that he was "stress free":
I'm a stress free kind of guy
On Tuesday 16th April, a day after the bombing, he posted the following messages:
Ain't no love in the heart of the city, stay safe people
So then I says to him, I says, relax bro my beard is not loaded
Detectives in Boston are looking further afield as they piece together their case against Marathon suspect Dzohkhar Tsarnaev.
The uncle of Boston bombing suspect Tamerlan Tsarnaev described his recent visit to Dagestan in Russia and his great shock at the attacks.
Both men were enrolled in a school in Dagestan, a neighbouring region that was drawn into Chechnya's violence during the 1990s.