Uli is part of a group of international thieves.
During the events of Die Hard (1988) played by Al Leong
Hans Gruber goes to the 30th floor of Nakatomi Plaza along with Franco, Alexander, Marco, Uli, Fritz and James. They then shoot into the air to get the attention of part ygoers. Heinrich, Marco and Uli set explosives underneath the roof of the building. Capt. Mitchell and his SWAT team get ready to enter the building and Hans tells the others to get ready. Rivers and his team advance on the building and the terrorists shoot out the police spot lights. Uli and Eddie shoot and wound Rivers and his team. After the vault is opened, Uli takes the Hostages up towards the roof. As he is walking towards the roof, John McClane shoots and kills Uli.