. >> 33-year-old christopher mccowen was arraigned this morning in barnstable superior court. >> maythe defendant, christopher mccowen, is in the courtroom. charged in the felony of murder in the first degree. >> how do you plead, guilty or not guilty? >> not guilty. >> not only does christopher mccowen say he did not murder chris that worthington, but he points the finger directly at someone else. >> good afternoon, sir. in a nice, loud voice, can you tell us your name for the record? >> jeremy frazier. >> did you kill christa worthington? what seems to be the problem? just some cramps.... hold on! ugh, say it's like stabbing knives. sometimes i have to call in sick. any pelvic pain? kinda... kinda?! say it's like something's hammering at my uterus-even when it's not my period! pain with sex? speak up! actually, it's all terrible! (vo) if you have painful periods, pelvic pain in between periods, or pain with sex, ask your gynecologist if it could be endometriosis. 1 in 10 women have it, yet many don't know it. learn more at speakendo.com. and we're committed to improving every ride.