john maroney has the latest from boston. >> reporter: he's in federal court for opening statements inal. the 20-year-old is facing two counts of making false statements to authorities during the investigation into the marathon bombings. >> we are very pleased the day has finally arrived and we get to present our case. >> reporter: easy a friend of dzhokhar tsarnaev. the government says he lied to agents about entering the dorm room of the bombing suspect with two other friends after tsarnaev had been identified as the suspe suspect. they have been found guilty of removing a backpack with spent fireworks wifrom the dorm room where they went to school. he is expected to testify. >> he's going to come in and testify that philippoussis was in the room, saw what happened, that he was acting rationally at the time. >> reporter: prosecutors say agents spoke to philippoussis five times, and he lied to them twice, denying he was even in tsarnaev's dorm room. eventually, the government says philippoussis signed a confession, admitting he was. but the defense suggested that philippoussis was for