Could the American Lion have survived until recent years?

My grand father would tell me stories of a hunter that would go into the mountains and return with a huge tiger with the help of his horse. There are lots of witnesses in the town which made me doubt if there were tigers in the mountain. I know Tiger is not native to America, but could it have been an American Cave... show more My grand father would tell me stories of a hunter that would go into the mountains and return with a huge tiger with the help of his horse. There are lots of witnesses in the town which made me doubt if there were tigers in the mountain. I know Tiger is not native to America, but could it have been an American Cave Lion?
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