called it an epidemic after 200,000 teenagers reported using e-cigarettes. mike: the growing homeless crisis in california's major cities is leading to a whole new set of problems. >> the outrage is phoney because nothing is being done. >> alexander claims los angeles made her sick. l.a., san diego, sacramento. for every one person who becomes how, one person falls into homelessness. reporter: san francisco received 27,000 requests to pick up human waste. residents upload photos to alert the poop patrol.