his co-founders, the income dried up. then he lost his rock, his mother. and the problems got worse. he is one of 60,000 homeless in the city of los angeles. >> you will find musicians. the photographer over there. the problem is when the cost of housing. >> reporter: they all life in a small tent city in korea yo town neighborhood, dwarfed by gentrification that has taken over the area. a quarter of the homeless now live in california from l.a.'s skid row to the streets of san francisco. drug needles litter the sidewalks, and crews are routinely dispatched to clean up human waste. near blocks away from some of the biggest tech companies in the world. . >> what they are doing to our beautiful california is a disgrace to our country. >> reporter: president trump may be on the verge of a major crackdown. according to the "washington post", he is considering a directive to have the tent swept up. with the homeless moved to an unused government building. critics point out such action