  Psych Murder Anyone Anyone Bueller?  Gus is in charge of his
and Shawn's high school reunion and he wants the night to go
perfectly.  He warns Shawn not to mess things up, then instructs
him to go find more folding chairs.  While Shawn heads to the
cafeteria with Abigail, his high school crush, he sees, out the
window behind her, someone fall to their death from the roof. 
But by the time they grab Gus and head outside, there is no sign
of a body.  Gus and Abigail don't believe anything happened, but
Shawn claims the victim was wearing a letterman's jacket and,
after they walk away, he spots part of a lapel pin in the grass.
Shawn follows Gus inside, insisting a crime has occurred.  He
calls Lassiter who, as it happens, is already there as the date
of one of their fellow alumni, Mindy.  He tells Shawn he can't
do anything without a body, a murder weapon, a suspect or any
evidence.  Shawn describes the pin fragment he saw to Gus who
tells him it's part of the State Champs pin the football team
got their sen