How to use "intruders" in a sentence

A large brave dog to bark and growl at any intruders

Her obsessive fear of intruders in the house, her disquieting dreams about Danny, her renewed grief - all of those things might grow from her concern about Magyck! If that were the case, then those symptoms would disappear as soon as the fate of the show was evident

Both intruders stopped near the refrigerator, twelve or fourteen feet from Elliot

Elliot's mind raced through a list of cases that his law firm was currently handling, searching for some connection with these two intruders, but he couldn't think of one.