Accused Boston Marathon bomber Dzhokhar A. Tsarnaev’s writings as he hid inside a Watertown boat were presented to the jury in US District Court in Boston, where Tsarnaev is on trial for his role in the April 15, 2013 bombings that killed three people and wounded 260 others.

On Tuesday, Boston Police Officer Todd Brown, a member of the department’s bomb squad, testified that he searched the boat parked in David Henneberry’s back yard to make sure that there were no explosive devices in it after Tsarnaev was discovered hiding there.

No bombs were found, but Brown said he did notice some writing in pencil, words that were partially obscured by blood stains at some points and pocked with bullet holes in others.