When Yang died, the murderers left CDC(Computer Devices Canada)-606 computer keys and KLASSEN engine key of Thomson-CSF France and ILCO keys on Yang's desk.


	*When Yang died, the murderers left CDC(Computer Devices Canada)-606 computer keys and KLASSEN engine key of Thomson-CSF France and ILCO keys on Yang's desk.*

	KLASSEN Engine Key (upper, left one)	CDC 606 Computer Keys (upper, middle one & right one)
	ILCO Keys (lower ones)


	the upper page