Nicola Sturgeon has defended her reported decision to give "no comment" answers while being interviewed by police following her arrest.

Investigative interviewing—the process of obtaining accurate and complete accounts from victims, witnesses and suspects—is the lifeblood of the criminal justice system.

Christian Brückner, the main suspect in the 2007 case, rejected an interview request ahead of his release this week from a German prison for a separate crime, the British police said. By Lizzie ...