A manifesto left by the suspected gunman who killed six people in a shooting rampage in Santa Barbara, shows the extent of "how disturbed [Elliot] Rodger was", the sheriff's office said.
However, he added that the meeting Rodgers had with authorities did not meet the criteria for him to be held for further psychiatric examination.
More top news
A global unemployment rate of 50% is possible as job vacancies are filled by machines, according to scientist Moshe Vardi.
A British teenager arrested in connection with cyber-crime offences is suspected of hacking an email account used by the head of the CIA.
A man who hit a 13-year-old boy leaving him bedbound for life has been jailed for three years.