Complex sentence: As part of the investigation, and under the supervision of detective in charge of the case, the victim telephoned Goodall, and during the conversation Goodall appeared to admit that the assault both took place and that it was not consensual.
Split into simpler sentences: As part of the investigation, and under the supervision of detective in charge of the case, the victim telephoned Goodall. During the conversation Goodall appeared to admit that the assault both took place and that it was not consensual.