>> a .25 auto was used to kill him. >> mm-hmm. >> reporter: during that same interview there was this. yoga moves. stretches. and even a headstand. >> i believe it tells you that jodi arias is trying to get comfortable in that room and she's not able to get comfortable because she has to change her story. because investigators had more evidence than she thought they were going to have. >> reporter: the same day detectives question jodi's parents. her mother, sandra, was emotional and shocked. >> i just -- i can't even imagine. that my -- god, i can't. i just can't even think about it. how could she come back here and be normal and then when her friends called and told her he died she totally freaked out? like she knew nothing about it. i mean, how could somebody do that? >> reporter: her father, bill, less surprised. >> you know, later on she kept telling me she was going to leave the area. i go why?