Sean Combs: Witness alleges Combs held her over a 17th-floor balcony.

Combs's team has said the allegation is "baseless," but the witness -- a friend of Cassie Ventura's -- also testified that Combs once got close to her face and said, "I'm the devil and I could kill you." She'll face more cross-examination tomorrow, and then the prosecution's last key witness will…