[Updated 12:06 p.m. ET] Boston bombing suspect Dzhokar Tsarnaev has tweeted since the Boston Marathon bombings on what friends of his tell CNN is his Twitter account.
The tweets included one at 1:43 a.m. Wednesday that said, "I'm a stress free kind of guy."
On Monday at 8:04 p.m. – hours after the bombings – he tweeted a lyric from a song that rapper Jay-Z has sampled: "Ain't no love in the heart of the city, stay safe people."
On Tuesday shortly after midnight he tweeted, "There are people that know the truth but stay silent & there are people that speak the truth but we don't hear