Capital New York reports that former Rep. Guy Molinari, a big Grimm backer, said the event will be "loaded with people who are going to be there to support Michael Grimm."
The actual invitation, forwarded by the Grimm campaign to his supporters and obtained by TPM from a Democratic source, doesn't mention Grimm as a guest and indicates the focus of the event is not to defend Grimm but celebrate their new location.
"Please join Party Chairman Robert Scamardella and the party's executive committee in celebrating the opening of the party's new 3,000 sq. foot headquarters," reads an invitation.
Here's the top of Grimm's email, in which he asked supporters to help him "show how strong our party is as we begin moving closer to the pivotal 2012 elections, and as we begin expanding on our phenomenal work from 2010 to take back our country!":
...and here's the actual details of the event: