Looks like the last incident was a week ago. They like kids. Leave kids at home. Seriously if you Google it, they mistake kids for prey. Interesting that unlike bear attacks, you are suppose to fight a mountain lion back as hard as you can.
http://ktla.com/2014/04/01/mountain-lion-killed-by-warden-after-stalking-family-in-orange-county-park/#axzz2yGFC1G8d