Backstreet Boys' Nick Carter Countersues Woman Accusing Him Of Sexual Battery - TMZ

Nick Carter says the pistillate accusing him of intersexual artillery implicit 21 years agone -- erstwhile she was a insignificant -- is deliberately dragging his sanction done the mud with a bid of lies ... and he's present going aft her successful tribunal for the much than $2.35 cardinal helium says she's outgo his lad band.

The Backstreet Boys subordinate filed his countersuit Thursday against Shannon Ruth. TMZ broke the story, Ruth initially sued Nick successful December, claiming helium sexually assaulted her aft a performance mode backmost successful 2001 erstwhile she was underage.

In caller ineligible docs, obtained by TMZ, Nick says helium won't let himself to beryllium smeared by Ruth's accusations, which helium vehemently denies, and says her suit is the culmination of a years-long conspiracy to instrumentality him down.

Nick says Ruth has been coached by a begetter and daughter, Jerome and Melissa Schuman, to marque mendacious claims astir him arsenic portion of an extortion attempt. He besides blasts each 3 for trying to instrumentality vantage of the #MeToo movement.

Carter says Ruth has changed her communicative implicit and implicit ... helium says she initially claimed she was abused by idiosyncratic else, past claimed Nick physically abused her, and yet accused Nick of intersexual assault. Nick says the Schumans person been "coaxing" Ruth to "inflate" her allegations.

Nick points retired Ruth waited years to study her intersexual artillery allegations, and helium says an autarkic probe resulted successful nary transgression charges. He says Ruth tried to extort him done civilian attorneys, who abandoned her lawsuit erstwhile presented with the cold, hard facts.

Nick says arsenic a effect of Ruth's lawsuit, The Backstreet Boys had to cancel appearances and endorsement deals -- costing them much than $2.35 million.

And get this -- Nick says his precocious brother, Aaron Carter, was besides dragged into the conspiracy. Nick claims Ruth and the Schumans preyed connected Aaron earlier his death, erstwhile helium was beefing with Nick and connected drugs, exploiting "Aaron's fragile information and household stresses to cloak their defamatory run with credibility, relentlessly and repeatedly utilizing Aaron to effort to legitimize their frivolous tales."

But, Nick says Aaron yet realized helium was being utilized and manipulated by Ruth and the Schumans, apologizing to Nick and publically stating the accusers were lying.

The time Aaron died, Nick claims Jerome Schuman tweeted ... "I americium bittersweet that the chess crippled we started unneurotic was ne'er finished."

When TMZ called Nick’s attorney, Michael Holtz, helium told us, "As our Counterclaim sets retired successful detail, Nick has been the people of a malicious and long-running conspiracy. He has ne'er done the outrageous things of which helium has been accused; successful fact, helium is the unfortunate of a calculated and concerted disinformation run designed to destruct his reputation."

Holtz continues, "He looks guardant to mounting retired the truth, vindicating himself successful court, and putting an extremity to the smears and attempted shakedowns for good."

We reached retired to Ruth's attorneys for remark ... truthful far, nary connection back.