Demi Moore: movie star by day, lifesaving twittering hero by night.
Late Thursday, the G.I. Jane star received a frightening tweet from a woman named "sandieguy."
"I'm just wondering if anyone cares that I'm gonna kill myself now," she wrote to the star. Serious or not, her previous messages that hour—not directed at any one particular person—showed the Silicon Valley girl contemplating suicide and wavering on the decision.
Shortly thereafter, the girl messaged the Ghost actress again. "Getting a knife, a big one that is sharp. Going to cut my arm down the whole arm so it doesn't waste time," she wrote.
Moore immediately replied, "Hope you are joking," sharing the scenario with her nearly 400,000 followers.
The brief exchange inspired several people to contact the authorities.
"At 4:37 this morning, the San Jose Police Department received a call from a citizen requesting that we check on the welfare of a 41-year-old female," San Jose Police Sgt. Ronnie Lopez tells E! News. "The caller indicated that she had been sending out messages on Twitter. Officers were sent to the address. There were no injuries but officers determined that the woman fit the criteria to be brought in for psychiatric evaluation, which she is currently undergoing."
"Everyone I was very torn about responding or retweeting that woman's post but felt uncomfortable just letting it go," Moore told her followers an hour later. In another post, she wrote, "Thanks everyone for reaching out to the San Jose PD I am told they are aware and no need to call anymore. I do not know this woman."
A few hours later, the celebrity tweeted a confirmation of the events' validity. "It is my understanding that the situation was not a joke and that through the collective efforts here, action was taken to provide help."
Or, as husband Ashton Kutcher wrote on his own feed: "wifey reported a suicide attempt based on a at reply tweet she got and saved someones life. the woman is in the hospital now."
"It is true, but we are not making any statements about it," Moore's rep, Stephen Huvane, tells E! News. "This woman's privacy and well-being is the most important thing here."
Moore and Kutcher have been among the celebs constantly creating news by their frequent liveblogging via Twitter, sharing with fans and media alike their marriage advice, Oscar parties and drama with neighbors. This, however, was a first.
"We have not ever received a tip from a Twitter message before and though it is another tool for sharing information, we are encouraging people not to use it as a copycat method to get your voice heard," Lopez says. "Instead, if you're thinking about harming yourself, please contact a local suicide prevention hotline."
(Originally published April 3, 2009, at 9:53 a.m. PT)