snoops

Example:He was peering into the room, trying to catch any small detail of what was happening inside.

Definition:to look at (something) in an intense or careful way, often in a way that is not wholly honest or fair.

Example:The office detective was caught spying on his colleagues by installing a hidden camera.

Definition:to try to obtain secret or forbidden information about another person or another group, sometimes by using a particular method of watching, photographing or listening covertly.

Example:Camille was peeping in the neighbor's window, trying to catch a glimpse of their expensive new aquarium.

Definition:to look into or at something, especially in an unauthorized way, in the hope of seeing something that one should not or cannot see.