justin kan, he sold the video sharing platform twitch to amazon for near lay billion dollars last yeare told us he lived in the lower house with his brothers and fiancee and he's sure his family was targeted, he just doesn't understand why. >> i was pretty shocked, i guess, surprised. i haven't really gotten any overt racism since i've lived in the bay for nine years. it was out of blue. you know, both my fiancee and i were just like bewildered. >> how the family did file a police report, they paged over the graffiti and shared that video on twitter. investigators are hoping someone recognizes the suspect and calls police with information. >>> and before he was a billionaire, kan was just a kid with a web cam. >> remember, justin? yeah, nearly ten years ago, scott. >> yeah, justin tv, he's that justin. one of the very first people, kris, to strap a camera to his head and broadcast his whole life live on the internet. back in 2007, this was a radical idea. i mean, we're talking before periscope, go pro, just the idea was amazing. justin took what he learned about live video and turned t