Springfield Three
The Springfield Three refers to an unsolved missing persons case that began on June 7 , 1992 , when friends Suzanne "Suzie" Streeter and Stacy McCall , and Streeter's mother , Sherrill Levitt , went missing from Levitt's home in Springfield , Missouri . 
<triplet> Springfield Three <subj> June 7, 1992 <obj> point in time