. >>> coming up -- charlie and diane parker lying dead in their own home. the investigation begins.t a grisly crime scene, some stray drops of blood might provide a big clue. >> it appeared that someone involved in the crime was a bleeder. >> that's great evidence. >> it is if you can match it up. >> when "dateline extra" continues. video game. this is not a screensaver. this is the destruction of a cancer cell by the body's own immune system, thanks to medicine that didn't exist until now. and today can save your life. ♪ ♪ ♪ to err is human. to anticipate is lexus. experience the lexus rx with advanced safety standard. experience amazing. the full value of your totaled new car. the guy says, "you picked the wrong insurance plan." no, i picked the wrong insurance company. with new car replacement™, we'll replace the full value of your car plus depreciation. liberty mutual insurance. befi was active.gia, i was energetic. then the chronic, widespread pain drained my energy. my doctor said moving more helps ease fibromyalgia pain. he also prescribed lyrica. fibromyalgia is thought to b

diane and i are getting married. i mean, depending on what the courts say. >> right. right. well, i'd like to come. >> so that was mary-louise parkereen the miniseries. >> i didn't see that part of it, no. >> how did this all come to be. four years in the making. >> yes. >> real passion project for you? >> very much so. i mean i will never forget the day that i heard abc was interested in doing an lgbt history project. i mean, abc was the station i was allowed to watch unattended in my southern christian conservative home, right? it's the station that's always told family stories and i thought, oh, my goodness, this is finally a chance for me to be able to introduce my lgbt family to my southern family, and i figured it's about time. >> it's amazing. >> it is amazing and bragging on you a little bit, lance, you won an oscar for writing "milk." everybody, so, we've got some great writing chops here. >> my son last night said, he won an oscar? he looks awfully young to have won an oscar. >> yeah, agreed. agreed to your son. let's talk about roma guy, lesbian, social justice activist. what was it like for you to play her and to meet h