Tamerlan Tsarnaev was declared a suspect of a bombing by the CIA.
 It was reported on April 23, 2013, that local authorities believed Tsarnaev may have been responsible for the triple homicide, and they and the FBI were investigating the possibility
 The FBI initially denied that it had contacted Tsarnaev, but then said that it actually had after Tsarnaev's mother talked about the FBI's contacts with her son on RT

