Did the parents find out about the bad guys?

In real life, the parents would have been contacted immediately about what happened.

What I wondered was if the parents ever found evidence of Kevin's booby traps. I know they would have discovered the tar on the basement steps.

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I think in the Home Alone 2 novel it mentioned somewhere that they knew of the events and Uncle Frank was reading the papers and said "Hey look, The Wet Bandits have escaped."

Nope there is not mention of it at all in the first two movies, it is a difffenret story with Home Alone 4 through.

I think Kate would have become very aware of Kevin's traps when she slipped on the still iced over front steps and cracked her head open on Christmas morning.

That's the weird part. Kevin's parents never seemed to hear a word about the Wet Bandits, not in this movie, or in the sequel, and there's no evidence that Kevin told them. On the other hand, they probably wouldn't have believed him if he told them he held off two cat burglars using nothing but his wits and traps in his own house. Chances of believing an 8-year-old telling you that are low without solid evidence, and it looks as if he cleaned up the mess before his family showed up.

Today was the first time I've ever watched this realizing the cops just arrest the wet bandits and aren't at his house. He most certainly wouldn't have been left *ahem* home alone if they knew what had happened really went on that night. What on earth did old man Marley tell them when he called?