DIDDY'S DIRTY WORK FROM BEHIND BARS!

Claims he games system using bribes, PR stunts & secret cellphones

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Kalenna Harper (from left), Diddy and Dawn Richard in 2011. On Instagram, Kalenna denied the claims raised by Dawn in her lawsuit against w the embattled rapper

SCHEMING Sean "Diddy" Combs is trying to poison the jury pool for his upcoming sextrafficking trial by bribing witnesses to refute accusers' accounts and trotting out his kids to drum up public sympathy in slickly produced social media campaigns!

Diddy's kids including Quincy, Love, twins D'Lila and Jessie, and Christian-wished him happy birthday over the phone

That's the shocking charge made by prosecutors in a bombshell legal filing examined by The National ENQUIRER!

Authorities allege the disgraced hip-hop honcho is obstructing justice from behind bars at Brooklyn's notorious Metropolitan Detention Center (MDC).

In a filing that seeks to squash Combs' third bid for bail, lawmen say, "The defendant's own words make clear that his intent is to improperly influence the jury pool.