Michelle McDonagh is an Irish author and journalist who writes psychological thrillers and domestic suspense. Based in Galway, she worked as a journalist for over two decades before turning to fiction. Her debut novel, *Somebody Knows* (2019), explores themes of guilt, secrets, and the lasting impact of childhood trauma on adult lives. The book garnered attention for its atmospheric setting and complex portrayal of friendship tested by a decades-old tragedy. McDonagh's writing is characterized by her focus on ordinary people caught in extraordinary circumstances, often examining how past events shape present-day relationships. Her journalistic background informs her detailed, layered narratives that explore moral ambiguity and the consequences of silence.