During the intense 14th season of Grey’s Anatomy, viewers were glued to their screens as Jo Wilson and her ex-husband, Paul Stadler, reunited in one of the show's most dramatic storylines yet. Paul, a surgeon with a dark past, showed up at Grey Sloan Memorial Hospital to assist in a medical procedure but ended up reopening old wounds with Jo. Spoiler alert: the encounter didn't go well. In the unforgettable episode titled "1-800-799-7233," Paul became the victim of a hit-and-run accident. The next episode, "Personal Jesus," left fans guessing—just who hit Paul Stadler? Keep reading to see who we thought might have done it!

Jo Wilson: Could She Have Been the One?

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Let's talk about Jo Wilson, played by the talented Camilla Luddington. Jo had every reason to want Paul out of her life for good. In the emotional episode "1-800-799-7233," Jo revealed that Paul used to physically abuse her during their marriage. Once, he even kicked her so hard that he broke her ribs. When Paul returned to Grey Sloan Memorial, he wasn’t just charming—he was manipulative, undermining Jo at every turn. Initially, Jo denied any involvement in Paul’s accident, but fans couldn't help but wonder if she was telling the whole truth.

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Showrunner Krista Vernoff shared with The Hollywood Reporter that Paul’s manipulative behavior was designed to make Jo feel like no one would believe her. “He finds subtle ways to undermine her—saying that she was a party girl and alcoholic,” Vernoff explained. But Jo found an ally in Meredith Grey, who reassured her with the powerful words, “I know who you are.” This moment was pivotal for Jo, as it was likely the first time she truly felt seen and believed.

Alex Karev: A Likely Suspect?

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Alex Karev, played by the charismatic Justin Chambers, was definitely in the mix of suspects. This whole storyline began when Alex misjudged a situation between Jo and Andrew DeLuca, leading him to assault DeLuca. Then, Alex went to confront Paul and even imagined beating him to a pulp—before thinking better of it. While Alex was a prime suspect, fans hoped he hadn't resorted to violence again, given how far he'd come since his near-jail experience.