Nicola Tallant, top Irish crime journalist and author of Groomed: Coercion, Control and a Cold-blooded Murder, joins me to discuss the horrific murder of Katie Simpson, a 21-year-old showjumper in Northern Ireland who fell into the clutches of Jonathan Cresswell, a horse trainer (pictured) who was also her brother-in-law. This is the government review she mentions in the episode: https://www.justice-ni.gov.uk/publications/katie-simpson-review