Daniel Rider was unaware of the melee taking place less than a mile away from his house at the Waukesha Christmas parade. Then chaos came knocking on his door.

Rider, who had just gotten back from hunting and was spread out on the couch watching football, heard a knock. His doorbell camera recorded a man in a red T-shirt shivering and begging to come inside around 5 p.m.

“I called an Uber , and I’m supposed to be waiting for it over here, but I don’t know when it’s coming,” the mysterious man can be heard saying. “Can you call it for me please? I’m homeless.”

Rider’s Midwestern hospitality kicked in. He invited the man into his home, gave him a jacket, made him a sandwich, and let him use his phone.

“All of a sudden, I look outside my street and I saw a few cop cars drive by and I’m getting extra nervous,” he told NBC News , who obtained the doorbell cam footage.

Not wanting any trouble, Rider asked the man, identified as Darrell Brooks Jr. to leave, which he did.

After Rider’s neighbor called the police, Brooks started pounding on Rider’s front door, yelling he had left his ID and demanding to come back in.

“Then the next thing you know, you see the cops with lights on him, saying, ‘Hands in the air, hands in the air,'” Rider said.

Rider had no idea that the man he opened his door to had fled the scene of a domestic disturbance and moments earlier plowed through paraders up the street, killing five and injuring more than 48, including children and the elderly.

Brooks, who drove his red SUV into the annual Christmas parade, will be charged with five counts of first-degree intentional homicide, authorities said Monday afternoon.

Those he killed are all over the age of 50 and i… (Read more)