When Ted Cruz pointedly did not endorse Donald Trump tonight at the RNC, the crowd went wild. We caught a little bit of it on Periscope, when the crowd broke into a deafening chorus of boos as Cruz wrapped up and left the stage. Many others caught it was well. Was it spontaneous, though? Keep reading and watching.

#BREAKING Crowd boos @tedcruz when he leaves stage w/o endorsing @realDonaldTrump @CBSDFW #RNCinCLE pic.twitter.com/PJeQJqbDU7

— Jack Fink (@cbs11jack) July 21, 2016

This is freaking me out pic.twitter.com/3GaUoxCdYa

— Colin Jones (@colinjones) July 21, 2016

Could not get Periscope to embed, but this one is the best if you ask me. Click to watch.

LIVE on #Periscope: Crowd going crazy. https://t.co/6LywyV4yBC

— Caleb Howe (@CalebHowe) July 21, 2016

The atmosphere in the room was amazingly ugly. But not necessarily spontaneous.

SOURCE: The Trump camp knew this morning Cruz would not endorse and told Cruz's camp they'd orchestrate booing if he refused.

— Erick Erickson (@EWErickson) July 21, 2016

And the punishment isn’t over:

SOURCE: Trump camp told Cruz they'd have a particular male and a particular female talk radio host go on attack of he refused endorsement

— Erick Erickson (@EWErickson) July 21, 2016