When Van Pelt is leaving the house at the beginning of the My Bloody Valentine, she is driving a Chevy Impala, after fleeing from the gunman the car being shown is a Chevy Malibu.
While Jane is drinking vodka with Porchetto the level of the vodka and direction of the label changes.
Porchetto is an Italian name. Argentina's native names would be something native American,not Italian. There would be no way to know that this Porchetto came from Argentina or any other colonized country that they may have immigrated to.
Agent Lisbon says that the crime took place east of Lake Tahoe, which geographically would put the crime scene in Nevada, which would not be part of the C.B.I. jurisdiction.