“Cross” season 1 finale post-credits scene explained

Creator Ben Watkins discusses Kayla Craig.

Warning: This article contains spoilers for all of Cross season 1.

Alex Cross (Aldis Hodge) got his guy. And his guy's guy. But only if you watched through the final credits.

The Cross season 1 finale featured a post-credits scene, which showed a sit-down between FBI agent Kayla Craig (Alona Tal) and Bobby Trey (Johnny Ray Gill), the man who'd helped serial killer Ed Ramsey (Ryan Eggold) throughout the show. At first, she appears to be meeting with him on official business: She offers him immunity if he turns himself in, serves two years, and gives up information on Ramsey's victims.

Related: Cross team on why they didn't want to make a direct adaptation

But then, she follows up by offering him money for more of what he knows. As she puts it, "Ramsey had a lot of dirt on people worth having dirt on." It's unclear where this money is coming from or what she intends to do with the information.

For book fans, Kayla's name alone is a red flag, as the Alex Cross books feature an FBI agent named Kyle Craig, who's a close friend of Cross and who is later revealed to be a killer known as The Mastermind.

Related: Cross review: A timely spin on James Patterson's tragic hero

"I wanted to start two conversations," creator Ben Watkins says of the scene. "I always had plans for Bobby Trey, but the storyline almost requires that he go away for a long time. There has to be some sort of resolution to him. So I knew I had to plant a seed that would leave the door open for Bobby Trey's return."

As for Kayla's involvement, Watkins continues, "I also wanted to plant a seed that would make you question the different levels of Kayla Craig, who has just been nothing but helpful the entire time. Sometimes [she's] a little comic relief, a little sarcastic humor, sometimes a little romantic chemistry, but mostly just someone who's been helping. So I wanted to make you question her a little bit."

Sign up for Entertainment Weekly's free daily newsletter to get breaking TV news, exclusive first looks, recaps, reviews, interviews with your favorite stars, and more.

And then there's always the matter of leaving some doors open for future seasons, seeing as how the show has already been renewed for season 2. "I felt like we'd set up a really powerful component to Ramsey in terms of him using leverage on people," Watkins says. "I wanted to keep alive this idea that that treasure trove of dirt on people could still be kept alive going into new seasons."

Cross is available to stream now on Prime Video.