He was pronounced dead at the scene.
Investigators say police found 64-year-old Joao Barcelos suffering from multiple stab wounds on the street outside his home just after 2:30 p.m. on Saturday.
On September 7, a jogger found Singh's body "under the Highway 27 Bridge, just south of Humber College Boulevard", says the police report.
Five days earlier, Idsinga alleges Rampreet (Peter) Singh was stabbed multiple times under the well-travelled bridge where he'd been living for several months.
"Homicide investigators believe with the information they've gathered thus far that Tiberio is responsible for the murder of Joao and Iva, his parents", Const. Alex Li told CP24 in an interview.
Toronto police are warning that two recent fatal stabbing attacks could be by the same perpetrator and motivated by racial hated.
A volunteer caretaker at a Toronto mosque is dead after an assailant stabbed him in the neck.
"In a declaration, the firm said that they are" profoundly saddened and stunned" to find out about the episode.
"Both victims were stabbed and the incidents occurred within very close proximity of each other. We've got to be cognizant of the possibility that they are connected".
"If anything else does come up that links the two occurrences together, you'll be the first to know".
Security footage of the suspect, who fled on foot, has been posted on our website. Police said the alleged killer has a slim build and was wearing a black hoodie and dark trousers.
Anyone with information is being asked to contact police at 416-808-7400 or Crime Stoppers anonymously.