The Highwaymen

Question: When police scour the old neighbourhood, there is a shot of a man wearing some kind of huge metal suit. What was this suit used for? (00:46:53)

Answer: Most likely protective body armour.

Revealing mistake: When Hamer goes to the gun store and obtains all of his weaponry, the gun counter guy and boy carry the weapons out to his vehicle. The weight of the weapons would be too much for one to carry all at the same time and the boy is supposedly carrying that large box of ammo, which would have contained over a thousand rounds, but he's carrying it like a box of feathers.

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