"Not good," read a message from him.
"A message from him, or purportedly from him, would help answer that $64 million question".
Since replying to the man, Ms Serota has received another message from him – which she dubbed a "non-apology".
The following weekend she received an e-mail message from him, an unmistakable sign that she had made an impression.
Rubio's friend Dennis Baxley received a text message from him: "I can't quit thinking about U.S. Senate.
The next day, Mr. Constant's grown son from a previous relationship, Jacquelaine, received a blank text message from him.
The afternoon of April 15, Mr. Tsarnaev's other Chechen friend Mr. Mazaev received a text message from him.
"I got this text message from him," recalled Ms. Covington, "that said: 'I can't take it any more.
In a blog post on Tumblr, she later shared the contents of that private message from him.
"Steve Parkin, my assistant, knows Sir Alex Ferguson and he had a really nice message from him," he says.
Mr. Spitzer's e-mail handle appeared simply as "Laurence," his middle name, to anyone who received a message from him.
