brett seacat was taken into custody. he was formally charged three days later. >> brett t. ith premeditation kill vashti s. seacat. your bond is $1 million. >> he was also charged with arson and endangering his children. brett could not make bond, and so, remained in jail. he would await a jury's decision about what really happened in the seacat home in kingman, kansas, in the early hours of april 30th, 2011. >>> coming up, the note. >> some of his actions were reckless because the clock was winding down. >> the gun. >> how did it end up completely underneath her body when she was sleeping on her side? >> the threats. >> she said, "do you think brett would burn the house down with me in it?" and i was taken aback by that, and i said, "not with the kids at home." >> the prosecutors come on strong. >> and so, when those threats didn't work, he had to kill her to maintain control. >> when "dateline" continues. her cape. but when we realized she was battling sensitive skin, we switched to tide hygienic clean free. it's gentle on her skin, and out cleans our old free detergent. t