five days later, roeder calls his ex-wife with a request to spend the evening with his teenage son. having devoted himself to the laws of messianic judaism and the strict adherence to the friday sabbath, it s very out of character for roeder. picked up his son, took him to dinner. they spent some time together which, again, his son knew that that was very unusual. just for the fact that it was friday. and on the sabbath, that shouldn t have happened. they went to dinner, they went to a movie. scott wanted to buy him ice cream. he wanted to go with him to visit with his friends. he didn t want the evening to end. he wanted it to go on and on. one of the first things nick realized after he had heard about the shooting, after scott had been arrested was, wow, mom, he was saying good-bye to me. reporter: the next morning, saturday, may 30th, roeder visits his brother in topeka and then returns to wichita, checking into a motel by sunday.