I think she shouldnāt have to go. Itās a preliminary hearing, she hasnāt been named as a material witness, she was in the basement and didnāt even know the murders had happened until she woke the next morning, she lives in Nevada now, and sheās been targeted by awful people on the internet. Maybe to the trial itself but not a preliminary hearing for probable cause.
A bit more info at Jezebel. It sounds like the defense is engaged in some shenanigans with this subpoena
speaking of rocket ships and the effects on birds: a very radio lab like segment on how the concordās infrasound (probably) disrupted carrier pigeon races