That's the one! They were the big white ones with round heads. Their blue light "eye" slot looks ominous in the dark. Also, my first thought was, "I bet those

That's the one! They were the big white ones with round heads. Their blue light "eye" slot looks ominous in the dark. Also, my first thought was, "I bet those are expensive...and they're just left outside in the open like that. I'd be worried someone would steal them."