Prosecutors called FBI Agent Steve Kimball to the witness stand Monday afternoon in the federal trial of accused Boston Marathon bomber Dzhokhar Tsarnaev. Kimball discussed the agency’s analysis of two Twitter accounts linked to Tsarnaev.

The first account, @J_tsar, now followed by more than 59,000 users, has been widely written about. The second account, @Al_firdausiA, published less than 10 tweets, all in March 2013, and had fewer than 200 followers as of Monday afternoon.

According to Kimball, the tweets point to Tsarnaev’s mindset in the weeks leading up to the bombing, which the government alleges was committed to ensure the defendant reach “paradise.’’


The government also entered the following @J_tsar tweet from the day of the 2012 Boston Marathon into evidence, suggesting it was a reference to the race.

"they will spend their money and they will regret it and then they will be defeated" — Jahar (@J_tsar) April 16, 2012

The following @J_tsar tweets also received attention after the April 15, 2013 attack.

So then I says to him, I says, relax bro my beard is not loaded — Jahar (@J_tsar) April 16, 2013

There are people that know the truth but stay silent & there are people that speak the truth but we don't hear them cuz they're the minority — Jahar (@J_tsar) April 16, 2013

Ain't no love in the heart of the city, stay safe people — Jahar (@J_tsar) April 16, 2013

If you have the knowledge and the inspiration all that's left is to take action — Jahar (@J_tsar) April 8, 2013

Tsarnaev’s last tweet, from his @J_tsar account, was on April 17, 2013, two days after the marathon.