"I'm never opposed to being a villain in a series, if it's justified," Graham told TVGuide.com. "People love Dexter!"
So what else would the actress like to see for her character in Season 4? "I hope they explore her relationship with her father," Graham adds about the as-yet non-existent storyline.
Watch the video below for more from Graham on Bonnie's "black magic," which episode of the season is her favorite and why Joseph Morgan majorly owes her.