his name, mark geragos. >> i've had many a client who i have no doubt was capable of the acts that he of. this is just not one of them. >>> coming up -- in the last hours of jennifer's life, something was caught on camera. does it prove paul is not guilty? >> so you had sex last night with her and videoed it? >> yeah. >> anybody who watches this is never going to have the impression that this was somebody who was ready to kill her. when "dateline" continues. when "dateline" continues. that's why i've got the power of 1, 2, 3 medicines with trelegy. the only fda-approved once-daily 3-in-1 copd treatment. ♪ trelegy ♪ the power of 1,2,3 ♪ trelegy ♪ 1,2,3 ♪ trelegy man: with trelegy and the power of 1, 2, 3, i'm breathing better. trelegy works three ways to open airways, keep them open and reduce inflammation, for 24 hours of better breathing. trelegy won't replace a rescue inhaler for sudden breathing problems. trelegy is not for asthma. tell your doctor if you have a heart condition or high blood pressure before taking it. do not take trelegy more than prescribed. trelegy may increase y