The US Supreme Court will consider a groundbreaking case about whether death threats posted on Facebook are liable to prosecution or whether threatening comments are protected by constitutional rights to free speech.
It will be the first time the top court's nine justices - who are not known to have Facebook accounts of their own - will consider the limits of First Amendment protections on free speech on social media.
The case involves Anthony Elonis, a rap music enthusiast who posted angry lyrics on his Facebook page aimed at his wife after she left him, taking their two children.
"There's one way to love you but a thousand ways to kill you. I'm not going to rest until your body is a mess, soaked in blood and dying from all the little cuts. Hurry up and die, bitch," Elonis posted after the messy break-up ending seven years of marriage.
His wife told police she was "extremely scared" and obtained a "protection from abuse" (PFA) order forbidding Elonis from getting near her.
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But that only provoked him further.
"Fold up your PFA and put it in your pocket. Is it thick enough to stop a bullet?" he wrote on Facebook, six months after their split.
His abusive language extended beyond his broken marriage. After an FBI agent visited him, he said he would blow the agent up, then threatened an amusement park he had been fired from and posted about shooting up nearby schools.
He said there were "enough elementary schools in a 10-mile radius to initiate the most heinous school shooting ever imagined."
Elonis even mused about laws against uttering death threats.
"Did you know that it's illegal for me to say 'I want to kill my wife?' It's illegal. It's indirect criminal contempt ... Now it was okay for me to say it right then because I was just telling you that it's illegal for me to say I want to kill my wife," he wrote.
He was arrested and charged with communicating threats.
At trial, Elonis argued that he posted the messages "without a specific intent" to kill, and said writing the lyrics made him feel better after the split.
"This is therapeutic... it helped me to deal with the pain," he told the court.
But a jury did not agree, and Elonis was sentenced to three and a half years in prison and three years of supervised release. An appeals court later upheld the conviction.
The Supreme Court will decide whether Elonis's comments constitute a "true threat," or were harmless because he did not intend to act on his words, as he argued.
Elonis contends that his conviction would impact many artists, including singers, writers and cartoonists, who express themselves creatively.
