And the Twitter account that Laura Loomer retweeted - Laguna Beach Antifa is not an Antifa group at all but an account parodying and making fun of Antifa. There are others in the same vein like Beverly Hills Antifa.
As to Cruz being a registered Democrat, that was based on the voter registration of a Nicolas Cruz in Florida whose birthday is in May 1998. However, the Broward sheriff said in a press conference that the Nikolas Cruz was born in September 1998, not in May. The shooter’s name is spelled Nikolas, not Nicolas and a check of the voter registration database in Florida using the DOB provided in court records for Nikolas Cruz shows he was not registered to vote in that state.