Marie Leclerc's Involvement in the Serpent Killings Is Still Mostly Unknown Josh St. Clair Barely two episodes into The Serpent, Marie-Andrée Leclerc—sometimes“Monique” or just“Marie”—watches as partner Charles Sobhraj (“Alain Gautier”) pushes a drugged American tourist into a car. The woman, Teresa Knowlton, would be Sobhraj’s first victim. As many as 23 others would follow. Whether Leclerc (portrayed by English actor Jenna Coleman) knew then of the subsequent murders isn't clear, but in the series, it is this moment when her dissonance begins. She will deny herself the truth for the next two years. Picked up from the BBC, Netflix’s