administrators. anybody who could help them nail down nathan s movements on thursday morning, the time of the murder. and again, if anybody knew, it would be daniel. who, after all, watched over nathan, drove him around, looked after him. but it turned out nathan was at home in suburban dallas the night before the murder. his mother drove him to school that thursday morning. he said he was doing homework in a computer lab at the time of the murder. but was he? and he was in school from what time to what time? i don t know. what time did you pick him up thursday? i picked him up around 10. reporter: detective ellzey also asked daniel what he was doing on thursday morning. routine questioning. starbucks. that s when i texted ashley to see if she wanted to go get lunch. from there i went to white rock
look at the evidence and then go where the evidence leads ya. reporter: detectives were still canvassing fellow students, and teachers, school administrators. anybody who could help them nail down nathan s movements on thursday morning, the time of the murder. and again, if anybody knew, it would be daniel. who, after all, watched over nathan, drove him around, looked after him. but it turned out nathan was at home in suburban dallas the night before the murder. his mother drove him to school that thursday morning. he said he was doing homework in a computer lab at the time of the murder. but was he? and he was in school from what time to what time? i don t know. what time did you pick him up thursday? i picked him up around 10. reporter: detective ellzey also asked daniel what he was doing on thursday morning. routine questioning. starbucks. that s when i texted ashley to