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Michael Jackson went to great lengths to avoid being caught sexually abusing children ... even installing an alarm to warn him whenever someone was approaching his bedroom -- so claims Wade Robson in his latest complaint against the singer's estate.
Robson just filed an amended complaint, claiming the alarm would go off whenever someone came within 30 feet of Jackson's room. Robson claims Jackson also hung a "Do Not Disturb" sign on his bedroom door.
As we reported, Robson has filed a claim against the MJ estate demanding damages. Robson claims Jackson sexually abused him for 7 years as a child, beginning in 1990.
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Source : http://www.tmz.com/2013/07/01/wade-robson-michael-jackson-child-sex-alarm/