In One of the Cases in the Textbook, Swainler's Technology

In one of the cases in the textbook, Swainler's Technology discovered that someone had stolen 1,400 hard drives from its computer warehouse. In order to collect on its theft insurance policy, the company had to show that the theft was an outside job. Before the insurance company paid Swainler's claim, it hired an independent investigator, who ultimately found that the hard drives were stolen and sold by Swainler's marketing manager, Frederic Boucher. Which of the following control weaknesses were present in the company?

A) Because the company was run primarily on trust, many transactions were conducted without any documentation or controls.
B) The surveillance cameras on the loading dock didn't work.
C) Background checks were required only on senior executives and accounting personnel.
D) All of the above