Burglary

crime of breaking or entering into the dwelling of another, at night, with the intent to commit a crime therein

Burglary is a crime. Someone who steals things is a burglar. Burglary is an unlawful action. Its active verb tense is "to burgle". Burglaries can occur at any time or any place. Penalties for burglaries vary from state to state and country to country. The word burglar comes from the Old English words burg (house) and laron (thief).