Bob flies into New York City and goes to baggage claim to get his suitcase. He takes the wrong suitcase, a black one identical to his thinking his has the correct bag. The real owner confronts him and accuses Bob of theft. Bob's defense is: Bob flies into New York City and goes to baggage claim to get his suitcase. He takes the wrong suitcase, a black one identical to his thinking his has the correct bag. The real owner confronts him and accuses Bob of theft. Bob's defense is: psycho-legal error mistake of law mistake of fact ignorance of the law