He sent out a ton of anonymous negative robocalls and anonymous negative mailers.
Wouldn't own up to it last night on NY1 but did admit to it on Twitter today.
Just as Cory Booker launching a negative ad this late in the campaign suggests Booker is facing some turbulence, Squadron's relentless negative barrage - most of it done anonymously - suggests his campaign knew it was losing.
We'll see soon enough.
James has the early lead.