The letter appeared to be sent from Pennsylvania, United States, written in English on an A4 sized paper and placed in a paper bag with a bullet. The station received the package at about 5pm on Mar 11.
Pasted on the envelope was 10 stamps printed with clocks, which to the Chinese is an inauspicious gift signifying sending one to his ends. The "deadline" that was given, Apr 4, is the Qingming Festival, which also carries a strong connotation of death.
p/s
My view on this whole situation is EDISON should change his name.I think his life is full of obstacles.He is just trying to make a comeback