elyse hanlon, scott sherwood's wife. on the stand she recalled a conversation with paul where he told her that he committed the murder and that he did it alone. >> scott had nothing to do with it. there's no way scott's getting into trouble. scott had nothing to do with it. >> and he told her i went up there with him, he drove, i went in, i did everything. >> three people in three different rooms, telling us the same thing. you may not be able to say we have a fingerprint or we have dna, but that's pretty damning evidence. >> reporter: the last piece the prosecution needed was motive. why would paul want to kill his wife, catherine? simple, they said. money. when catherine died, paul cashed in on her life insurance policy and homeowner's insurance. it all totaled around $700,000. >> the defendant said he would kill catherine and burn up the evidence, and he did just that. >> reporter: now it was the defense's turn to attack. jurors would hear more about the checkered pasts of the witnesses at the very heart of the case. >

scott mcfarlane, thank you. >>> the walls are brand new. there's a rich history inside the halls of this dc school. a dramatic renovation change the face of duke ellington school of the arts, tom sherwood takes us inside and of the famous alumni. >> the chair, you know you're at dc's duke ellington school for the hearts. but inside, this modern -- of the arts. but inside, this shocked denise graves who graduated from the old school in 1981. and, two, orchestra rehearsal halls wired to play and record with any musician around the world would surprise famous comedian dave chappelle. this make over, it has steps at making the keys opens next week for nearly 600 students. they've shuffled temporary space for several years during construction. ap government teacher nicholas says the new school makes a strong statement. >> it shows that we're belong here. we're belong in the world class facility and it's just so wonderful that, hopefully, walking in this inspire them to become better artists, scholars, humanitarians. >> from music to arts to drama, the school finally matches the intensity of the training, tracee jenkins, class of '88. >> to imagine walking into these doors and having the spi