Coronation Street fans are no strangers to a good mystery, but the latest twist involving DC Kit Green has viewers convinced there’s much more happening beneath the surface. With speculation mounting about his secret motives, some are now firmly convinced that Kit is not just involved in uncovering the truth — he might be actively protecting DS Lisa Swain, and hiding explosive secrets connected to her late wife Becky’s death.

Theories have been flooding social media after Kit’s increasingly tense scenes with both DI Costello and Lisa. His actions have become more cryptic, his expressions more calculating, and his allegiance murkier by the day. While on the surface Kit appears to be loyally following orders and toeing the line, sharp-eyed fans have spotted the signs of a double game — one that could upend everything.

The roots of this theory stretch back to Becky’s tragic and still-unresolved death. Though ruled an accident, viewers never truly believed the official explanation. Becky’s passing was glossed over far too quickly, especially considering her connection to key members of the Weatherfield police force. Now, with Kit emerging as a central figure in the ongoing investigation into Weatherfield’s recent crime wave, fans are beginning to ask: could Becky’s death be the key to everything?

One Reddit thread exploded with speculation this week after a scene in which Kit seemed to hesitate when Costello mentioned Becky. His body language shifted, his face tightened, and for a moment, it looked like he was debating whether to say more. The moment was fleeting — but in soap land, nothing is ever accidental. Viewers are convinced that Kit knows something that could change the entire dynamic at Weatherfield Police.

“Kit’s definitely not clean,” one viewer posted. “But I don’t think he’s dirty, either. I think he’s playing both sides, trying to protect Lisa and take Costello down from the inside.”

This theory is gaining serious traction. Could Kit be hiding evidence, not for the sake of covering anything up, but as part of a bigger strategy? His late-night phone calls, evasive answers, and private confrontations suggest that he might be working undercover — not just against the criminals on the street, but against corruption within the force itself.

For Lisa Swain, who’s already under enormous pressure professionally and emotionally, the implications are staggering. Still visibly grieving Becky, Lisa has thrown herself into her work, but even her steely exterior is starting to show cracks. If she’s suspected anything about Kit’s true intentions, she’s kept it well hidden — but recent scenes suggest her patience with DI Costello is wearing thin.

The relationship between Lisa and Costello has always been strained, but in the wake of Becky’s death, it’s grown colder and more hostile. The power struggle is obvious, and if Kit truly has dirt on Costello — whether it’s misconduct, blackmail, or something far darker — it could explain both his sudden rise in influence and the eerie calm with which he handles pressure from his superior.

Another key clue came in last Friday’s episode, when Kit intercepted a file meant for Costello and quietly slipped it into his own drawer. Fans quickly jumped on the moment, speculating that he’s collecting evidence for a grander confrontation — perhaps even with Internal Affairs. “He’s building a case,” one fan tweeted. “You can see it in the way he watches everything. He’s gathering proof, and when he strikes, it’s going to be massive.”

But not everyone is convinced Kit is a hero in disguise. Some believe he’s simply manipulating both sides for his own gain. “He’s not protecting Lisa,” another fan argued online. “He’s using her to get what he wants. The real twist will be when she realizes she can’t trust him either.”

That possibility opens the door for a devastating betrayal. If Lisa begins to rely on Kit, only to find out he’s been lying to her, the emotional fallout could be huge. After everything she’s been through — especially the trauma of Becky’s death — discovering that someone she’s begun to trust again has his own agenda would be a crushing blow.

Whatever the truth, one thing is certain: Kit is not who he appears to be. Whether he’s a whistleblower, a traitor, or a tortured soul caught between duty and justice, his role in the coming weeks is set to become even more critical. With Costello tightening her grip on the department and Lisa inching closer to her emotional breaking point, the tension is mounting — and fans are bracing for an explosive reveal.

Speculation is now running wild that a full-blown corruption scandal is about to shake Coronation Street’s police force. Could Kit end up being the unlikely hero, blowing the whistle and exposing Costello’s role in Becky’s death? Or will he go too far, sacrificing his own career — or worse — in a misguided effort to do the right thing?

With the show’s writers known for pulling the rug out from under viewers at just the right moment, no theory is too far-fetched. Some fans are even hoping for a flashback episode that finally shows what really happened to Becky — a moment many believe would cement Kit’s position in the story and clarify his motivations once and for all.

Until then, the mystery continues. Kit’s true role remains unclear, but the signs are undeniable: something big is brewing. Whether he turns out to be a rogue officer with a conscience or a manipulator playing everyone, Coronation Street fans are watching closely — and no one is ready to take their eyes off DC Kit Green just yet.