The detective has suspected the possibility of foul play.
Explanation:
Note the word "possibility", which means that there is a chance of it occurring, but it is not 100% certain. Therefore, <em>suspected </em>is your best answer choice, as it means <em>having an idea of the existence, without certain proof</em>.
Yes there is such thing as this Bcs a lot of teens don’t go outside anymore because of there phony or tv as much as they did before like going to the store or something with there friends and having fun