miranda calvin , 19 , was arrested on sunday in gresham , oregon after allegedly hitting a woman with her car and fleeing the scene .
jerrie ann hornig , 49 , was found dead at the scene by gresham police .
calvin was booked on manslaughter , felony hit-and-run and reckless driving .
police said the public helped lead to calvin 's arrest , after one person called in after spotting the mercedes while listening to a police scanner .