>> there is blood everywhere? >> yes, ma'am. >> oh, my good. >> inside, things were chaotic, an appalling sight. big charlie and diane were dead and the old farm house they loved so well was now a crime scene. >> charlie and diane parker lying dead in their own home. when we come back, the investigation begins. at a grizzly crime scene, some small stray drops of blood might just provide a huge clue. >> it appeared that someone involved in the crime was a bleeder. >> so that's great evidence? >> it is if you can match it up. -and we welcome back gary, who's already won three cars, two motorcycles, a boat, and an r.v. i would not want to pay that insurance bill. [ ding ] -oh, i have progressive, so i just bundled everything with my home insurance. saved me a ton of money. -love you, gary! -you don't have to buzz in. it's not a question, gary. on march 1, 1810 -- [ ding ] -frédéric chopin. -collapsing in 226 -- [ ding ] -the colossus of rhodes.