What would you think if the police showed up at your door at 3:30 am and said someone said someone was breaking into their apt. It happened to me?

I was asleep and heard a real loud bang! bang! at the door. I didn't call the police. Now I am afraid. Why would someone call 911 and say someone was breaking into their apartment from their patio?

People don't usually call 911 to file a false emergency. You can get in trouble for that!
Could this be a warning to me from some crazy 🤪 person?
What would you think if the police showed up at your door at 3:30 am and said someone said someone was breaking into their apt. It happened to me?
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