The abduction of Theo Albrecht, who co-founded the discount supermarket chain ALDI with his brother Karl. The brothers shunned publicity and there were few photos of them. So, when two armed men confronted Theo outside his company headquarters in late 1971, they demanded to see ID. They needed to be sure they were taking the right man. Albrecht later tried to claim tax back on the ransom paid to secure his release. He died in 2010, worth an estimated 16 billion dollars.