John Thomas Wolfenbarger - He worked with 27 year old Dennis Lincoln to plan the robbery of Marco Pesce who owned Italia Jewelry in Livonia, MI. He, however is the one that pulled the trigger on Marco, his mother and three small children killing each of them execution style.
A Davis Industries P-380, like the one used by Wolfenbarger.
Google Maps street view of the Pesce home, as it looks now in 2013.
The Pesce family who were murdered.
The motorcycle club that Wolfenbarger's uncle belonged to. Wolfenbarger bragged about the murders to his uncle who ended up being the one to turn them in.