Hi everyone. Thank you Eyesonly, for your notes 1) to 4) above. Here are some futher points.
1) According to what I've read on the net, PB and KH attacked Mahaffy Sat June 15, 1991 in their St Catherines home, 57 Bayview, and video taped it, prior to murdering her. They also used that same residence to attack a rape victim who survived, known only in the public record as "Jane Doe."
2) I will have to look into where I found the info about the receipts.
3) Given that PB is a convicted serial killer, also with a very long string of violent rapes in Scarborough to which he has confessed, and that he & KH were known to have videoed at least one of their crimes, I think a search of his 21 Sir Raymond Dr former residence should be conducted. Here is more info I found on net but have no confirmation of: "December 22 1989, Deneen Chenier was raped in an underground parking garage stairwell at 1580 Sandhurst Circle. Deneen was sure someone else was with the rapist, possibly a woman, holding something in her hand like a video camera." After some time in jail, PB confessed to a number of rapes that LE had not previously connected to him. He said that one was on Sir Raymond Dr. Does anyone know if that rape was matched with a known victim?
Here are 2 other things I would like to know the answer to: Is it known if PB owned a vehicle at the time of EB's disappearance? The last reference I can find is to a gray GMC van he bought with his friends for worm picking, in Jan 1990. Then "March 30, 1990, Kerry Grey, a rape victim, spotted his van at a McDonalds." LE could presumably obtain a copy of his vehicle registratn history. Perhaps his friends the Smirnis brothers, or Paul & Joe Falzone, or PB's family, should be questioned about how long PB had the van, and any other vehicle he may have owned subsequently. The absence of vehicle ownership could possibly explain why a killer would take EB's vehicle, and leave it near a bus route that travels west (past the Sir Raymond Dr area) and then terminated at the Warden subway stn (in the 1990's that was the final east subway stn). Kingston Rd is one of only 2 bus routes that Sir Raymond Dr residents could use to leave the area. Same bus would go close to UT Scarb campus, and past the Silver Dragon Restaurant at 4640 Kingston Rd. The Scarb rapist is known to have stalked women leaving buses at night. LE should have a record of whether Kingston Rd bus was one such route. Also, did anyone ever check if PB had any connections to 3R Auto. Had he ever had a vehicle in there, as a customer? Ever bought anything there? Were his friends familiar with 3R auto? Again, following the geographic picture, it is noteable that 3r auto is very close to where one would turn off Kingston Rd to proceed to Scarb UT campus. Someone who used that route a lot might venture a little further.