Report 2549: Hairy humanoid biped seen diving into the Great Pee Dee River

hello my name is xxxxxx born xxxxxx i live in darlington sc in a community near the great pee dee river called mechanicsville i dont remember the exact year but between 1984-1986 me and my father were on a boat cruising very slow in the middle of the river the river was about 80-100 feet wide now let me say what i saw i dont believe to be bigfoot but i am sure it is an unknown animal it was littler than i have heard bigfoot being but it was the size of a big man i we were going up river and i looked to the left and i saw him  now this all happened in about 3 seconds he was crouched down still on his feet with knees bent like he was doing something between his legs on the ground he saw me when i saw him i looked into his face from about 40 feet he had long reddish brown hair all over but around his face was a lot lighter he dove into the water extending his arms just like a diverand he was gone we went to where he was and all there was were smears in the clay i really wish we would have looked more my dad saw him as he was going into the water this is the truth have anyone heard anything like this