EastEnders fans reckon that Callum Highway could become Gray Atkins' fourth victim after spotting a telling hint during their chat tonight.
Gray brutally murdered Kush last night on the BBC soap after pushing him in front of a tube train.
However, he managed to avoid getting caught again after Callum told him that the CCTV wasn't working at the station.
But fans noticed that Callum appeared to be subtly questioning Gray and predict that he could find out the truth about the killer - meaning that Callum could be in serious danger.
After all, he killed Tina after she discovered the truth about Chantelle...
Callum had looked into the incident at the station and later told Gray: "I asked about at work - they don't think that Kush jumped. Whitney said that they were heading to the airport, leaving for good. Did you know?"
Gray shook his head as Callum continued: "Off to start a new life together, apparently. I mean, she said that they were happy, excited."
Clearly worried he could be exposed as a murdering psychopath, Gray asked: "Do they know what happened?"
Frustratingly, Callum replied: "Not really, it was one of those last trains of the night, you know.
"It was quiet. she did tell the so that there was no one there before she left, so they scaled the whole area, looking for evidence, but there was nothing. CCTV was busted, vandalised or something.
"I did take a look at the press release and they called it an accident."
Callum noticed the look on Gray's face, prompting the lawyer to say: "Sorry, I'm just thinking about Whitney and everything that she's gone through."
"Yeah, you're probably one of the few who can understand. I know you two must have got close, what with the kids and everything," Callum pointed out. "I'm just really glad that she's got you in her corner. Someone who gets it, who cares."
Will Callum find out the truth? And could it result with him being killed?
*EastEnders airs Mondays, Tuesdays, Thursdays and Fridays on BBC One