A lawyer who tried to extort $310,000 from Erin Brockovich and her boss has been sentenced to four months in jail.
Prosecutors said John J Reiner tried to extort the money by threatening to tell the media Brockovich was a bad mother and that she and her boss, Ed Masry, had an affair.
Masry, an attorney, and Brockovich, his assistant, denied the allegations.
Reiner was found guilty in April of two counts of attempted extortion and one count of conspiracy to commit extortion.
He was also ordered to serve three years' probation, complete 300 hours of community service and pay $10,000 in restitution and attorney's fees.
Masry and Brockovich won $333m in compensation from Pacific Gas and Electric Co for 650 residents of the town of Hinkley, where water was found to be contaminated with the carcinogen chromium 6.
The story was made into the film Erin Brockovich, for which Julia Roberts won an Oscar.