Here’s a structured content piece about , titled "Russet Potatoes." You can use this for a blog, recap, database entry, or social media post. Episode Overview: The Mentalista 1x18 – "Russet Potatoes" Original Air Date: March 31, 2009 Episode Number: Season 1, Episode 18 Title: Russet Potatoes (Spanish: Patatas Russet ) Synopsis In this gripping mid-season episode, Patrick Jane and the CBI team investigate the brutal murder of a young woman found in a remote agricultural field. The victim, a college student named Melanie, appears to have been killed in a ritualistic manner—her body posed with a potato in her mouth, leading the press to dub the killer the "Russet Potato Killer."