totonto indian student worked food delivery pardner canada killed violently assaulted deadly carjacking according media story gurvinder nath deliver pizza around july mississauga britannia credit view roads unnamed suspects confronted tried buy vehicle ctv news channel investigators believe multiple distrust require food order placed means lure driver specific area inspector phil king peel regional police force homicide bureau said adding investigators obtained sound recording memorialize pizza pizza order placed nath arrived violently assaulted left critically injured suspect robbed fomite fled vista police witnesses came aid called help nath rushed trauma centre pronounced dead siddhartha nath consul general india toronto say nath death grievous loss lengthy condolences family supporter wider community cbc reported