From Longman Dictionary of Contemporary Englishbe in the wrong place at the wrong timebe in the wrong place at the wrong timespokenPROBLEM to get involved in trouble without intending to → wrong
Examples from the Corpus
be in the wrong place at the wrong time• Kambule claims he was just a bystander when the shooting occurred, a kid in the wrong place at the wrong time.• The driver was drunk and hit her as she was crossing the road. She was just in the wrong place at the wrong time. 