| {"text": "Dzhokhar Tsarnaev apologizes for suffering caused by Marathon bombing January 2013 Tsarnaev , then 19 , talks to his close friend , Stephen Silva , about borrowing Silva ’ s 9mm P95 Ruger semi - automatic pistol . Tsarnaev and Silva both graduated from Cambridge Rindge and Latin School in 2001 , and worked as lifeguards together at the Harvard pool . Starting in college , both became very involved in selling marijuana , and Silva had obtained a gun , in part , to help him protect his drug business . A Ruger semi - automatic handgun presented in the trial . Jan . 30 , 2013 Tamerlan , 26 , allegedly buys two Fager pressure - cookers at Macy ’ s at the Square One Mall in Saugus . The remains of a pressure cooker bomb . Feb . 8 , 2013 Tamerlan Tsarnaev used his credit card to make an online purchase of a remote - controlled car set , batteries , and a transmitter and receiver from NitroRCX . com . Prosecutors said these items were used to help remotely - detonate the bombs February , 2013 Dzhokhar Tsarnaev visits Silva and borrows the Ruger pistol — the gun that was later used to kill MIT police officer Sean Collier and during the shootout with police in Watertown . March 11 , 2013 Dzhokhar Tsarnaev creates a secret Twitter account , @ Al - FirdausiA , with the user name Ghuraba and posted six Tweets in three days . The first post on March 11 , 2013 reads : \" I want the highest levels of Jannah , I want to be able to see Allah every single day for that is the best of pleasures . \" He also maintains his original Twitter account that includes mostly typical teenage postings , but some that could be signs of growing radicalization . March Tamerlan Tsarnaev purchases some BBs at Walmart in New Hampshire . March 20 , 2013 Both brothers went to a firing range in Manchester , N . H . and rented two 9mm handguns , similar to the borrowed Ruger . March 30 , 2013 Tamerlan Tsarnaev also bought a screwdriver and soldering gun from Home Depot in Somerville , April 8 , 2013", "event": []} | |