WILL GIVE BRAINLIEST!!! FORENSIC SCIENCE

Investigators discover a body of a hiker in a dense forest. Analysis shows considerable insect activity on and around the body and apparent changes to the victim's abdomen. Which of the following details can they conclude?

The victim died at least two hours ago.
The victim died at least 12 hours ago.
The victim has been dead for over a day.
The victim has been dead for at least four days.