Police started tracking man 5 months ago after Internet messages about Columbine . Police traced his attempts to acquire explosive materials via the Internet . Police arrested Wednesday as he received the materials at his home , police say . In his personal diary , ` ` he showed a hatred for women , '' police say .
Police began investigating man 5 months ago after Internet messages about Columbine . Police tracked his efforts to acquire explosive materials via the Internet . Suspect arrested Wednesday as he received the materials at his home , police say . In his personal diary , `` he showed a hatred for society , '' police say .