This appears to be the email that Alan Dershowitz asserts exonerates him from the allegations.

Mail on Sunday reporter apparently writing to Giuffre about Dershowitz: "We all suspect Alan is a pedo and tho no proof of that, you probably met him when he was hanging [o]ut w JE." pic.twitter.com/K4WPAflZ99

— Adam Klasfeld (@KlasfeldReports) August 9, 2019
.....