barbara mancini lives in pennsylvania. as we first reported last year her father was terminally ill and in pain, and had repeatedly said he wanted to die. one morning while she was caring for him, mancini says he asked her to hand him his bottle of morphine. >> barbara mancini: he asked me to hand him the bottle and i did. i had the dosing syringe in my hand. he took the cap off and he drank what was remaining in the bottle. >> cooper: could you have stopped him? >> mancini: i could have, i think. i mean, he did it pretty quickly. but no, i didn't try to stop him. >> cooper: this is barbara mancini and her father, joe yourshaw, in happier times, at barbara's wedding in 1994. yourshaw had served in europe during world war ii and earned a bronze star in the battle of the bulge. barbara had always known him to be industrious and strong- minded. he was active well into his 80s. but in 2013, he was 93 and suffering from kidney disease, cardiovascular problems, and a host of other ailments. his medical records say doctors expecte

>> cooper: barbara mancini was charged with helping her 93- year-old terminally ill father kill h

>> cooper: barbara mancini was charged with helping her 93-

>> cooper: barbara mancini was charged with helping her 93- year-old terminally ill father