Analysis of information sources in references of the Wikipedia article "Burger Chef murders" in English language version.
The four employees - an assistant manager and three teen-agers - were abducted sometime between 11 p.m. and midnight Friday during a robbery at the restaurant, 5725 Crawfordsville Road... Police theorized that the four employees were forced to leave the store in a white 1974 Vega owned by the assistant manager, Jane C. Freidt, but said it appeared they left without a struggle... The Vega was found early Saturday... the passenger door was not [locked][permanent dead link]
Examination of the car yielded no evidence, police said... Brian Kring, 17, an off-duty Burger Chef employee... discovered the back door open and found the manager's office in disarray... Kring said the back door normally is kept locked. He speculated that the four victims were interrupted while emptying trash because several trash containers were just inside the open door.[permanent dead link]