The Bold and the Beautiful spoilers suggest that Xander's return to Los Angeles could potentially expose Thomas Forrester as a dangerous killer. Xander is one of the few who knows the truth about Emma's death, revealing that it was Thomas who caused the fatal accident. However, some fans speculate that Thomas may have had a brain tumor, which could explain his changed behavior. But has he truly changed? Read on for all the details.

In a recent storyline of The Bold and the Beautiful, Thomas collapsed in front of Hope, leading her to rush him to the hospital. It was later discovered that he had suffered a head trauma and was bleeding in the brain. While the show didn't explicitly mention a brain tumor at that time, many fans believe that it may have been the cause of Thomas' dark personality.

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