When the crime happened

A girl named Aimi Amaterasu was murdered by a mysterious man. Aimi's childhood friend, Aya Chikako was arrested for the murder. Lina Hitomi takes the case, with the help of Apollo and Athena! But there are 3 witnesses, 1 of them is the real murderer! Can the defense attorneys find the real killer?! (Note that the 3 Japanese girls moved to America, this doesn't take place in Japan)