In the MacGyver episode “Muscle Car + Paper Clips,” Riley Davis goes missing after her first solo mission. Mac (Lucas Till) uses a necklace and a microwave transmitter to rescue her from a group of dangerous hackers who go off the rails.
Riley Davis is portrayed by Tristin Mays. The former child model who was raised in Staten Island, New York is known for her roles on Switched at Birth (Ally Morel), The Vampire Diaries (Sarah Nelson) — see link above, Supergirl (Paulina), and Alias (Robin Dixon), among others. MacGyver airs Fridays at 8pm on CBS.