Raymond checks the watch of the drowning victim and reads the German word 'Kampfgeschwader', which he correctly translates to 'flight squadron'. However in the close-up shot of the watch face, it shows the word 'Kampfflieger' (combat pilot).
The whole premise of the bass player being shocked by 220 volts is unlikely. 220 requires 3 conductors and the ground prong on the plug was cut off. If his amplifier was connected to 220 volts it would have quickly burned up. Since it is amperage and not voltage that is life threatening 220 is not usually more hazardous than 110. The way to shock him would have been cut the ground and reverse the 110 volt prongs. The story that Dr. Robbins told about Yardbirds's singer Keith Relf being electrocuted is true. In 1974 new regulations required outlets to be polarized with one blade of the plug wider. Older amplifiers had a polarity switch to both reduce shock hazard and hum. Performers would often wet their finger and tap other equipment to test if everything was synchronized.
The German's diplomatic passport looks nothing like a real German passport. Real German passports are dark red, not blue and the eagle design looks completely different. Also, the text inside the passport is written in broken German.