Musk said there might be more to the story of Pelosi's assault on her husband, which left him with a skull injury.
Musk shared a link to a website with conspiracy theories about the attack.
Clinton accused the Republicans of spreading "hate and deranged conspiracy theories".
Violence is the result and it is shocking. Clinton linked to a Los Angeles Times report about how the suspect in the assault had spread right-wing conspiracy theories.
There is a small chance that there is more to this story than meets the eye.
Shortly after Musk shared the link, the site appeared to be unavailable.
Business Insider previously reported that the suspect shouted "Where is Nancy?" when he broke into the house and attacked Pelosi. Speaker Pelosi was out of town.
Pelosi said in a statement that a man broke into the house and attacked her husband.
She said in the statement that she and her family were traumatised by the life threatening attack on their Pop.
David DePape was identified by police. Paul Pelosi is expected to make a full recovery after undergoing surgery to repair a skullFracture.
Some right-wing pundits have shared conspiracy theories about the attack, despite the mainstream conservatives condemning it.
Business Insider previously reported that on Fox News, host Jesse Watters criticized the police response to Paul Pelosi's assault, suggesting that it was stronger because of Pelosi's status as the wife of the House Speaker.
The suspect in the assault shared conspiracy theories with other Republicans.