30+ years and still no answers in death of Tillie Shilling in Bethel Park and or why recently a man tried to kill but was shot dead by a shop owner

Bethel Park is a middle class white collar community along the  T- trolley line   with fine shopping and dining  Big Vol. Fire dept excellent schools and a great Big south park next door.
Not the kid of place you expect to hear about serious  crime but recently a  Young man was shot dead by a music shop owner  after he attacked the owner and his wife with a baseball bat  for no known reason.

http://www.post-gazette.com/local/south/2013/04/28/Bethel-Park-store-owner-kills-

attacker/stories/201304280259

But with this attack brings for some community members it has brought bad memories of the Killing of 

Tillie Shilling in  August 15,1983

http://www.post-gazette.com/stories/local/neighborhoods-south/25-year-old-murder-mystery-re-emerges-411346/

This is also the sale year 3 young girls went missing and 2 never found  The Girl from Peters Twp right next door to Bethel Park had been beaten and viciously murdered  when found a coincidence I think not.

3 different county's right next to each other and no one looking at any possible connection scary

 1983 was an extremely dangerous year to be a a woman young or old. Period in this corner of the state.

it was all over the news all these murders and no answers in any of them all cold.  

A real tragedy.