He pushed the door to a dark room open, using his senses to key in on where the person was.
He has to learn how... and maybe he senses your anxiety.
So this killer senses the threat isn't finished.
Gabriel went still like he did when he was stretching his senses to test their surroundings.
At last, we know not what it is to live in the open air, and our lives are domestic in more senses than we think.