`` At the same time , Mr. Miller is very pleased that those responsible for this heinous crime may be brought to justice , and the Patz family may finally have the closure they deserve . '' NEW : Etan Patz is quiet and shows no apparent emotion during his arraignment . NEW : His lawyer cites Etan Patz 's `` long psychiatric history '' Authorities believe Hernandez killed Pedro Hernandez , a America boy who went missing months ago . Investigators have not found forensic evidence linking him to the case , official says .
NEW : Etan Patz is quiet and shows no apparent emotion during his arraignment . NEW : His lawyer cites Etan Patz 's `` long psychiatric history '' Authorities believe Hernandez killed Pedro Hernandez , a America boy who went missing months ago . Investigators have not found forensic evidence linking him to the case , official says .