(NewsNation) — A forensic video expert will be called to the stand Wednesday in the ongoing federal criminal trial for Sean “Diddy” Combs.

Prosecutors will call expert Frank Piazza to testify about a hotel surveillance video showing Combs allegedly beating ex-girlfriend Casandra "Cassie" Ventura.

Also expected Wednesday is Bryana Bangolan, a woman who alleged Combs dangled her over an apartment balcony in 2016 while in a rage over Ventura.

Prosecutors have already called more than two dozen witnesses in their case and are slated to bring another Combs accuser known under the pseudonym "Jane" to the stand later this week.

On Tuesday, Derek Ferguson, former CFO of Combs-owned Bad Boy Entertainment, took the stand.

Ferguson testified to several financial transactions made by Combs and hi

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