検索キーワード： 著者 "Derrick Levasseur" すべてのカテゴリー

In a televised social experiment before millions of viewers, police sergeant Derrick Levasseur demonstrated that techniques used by undercover detectives could help people achieve their goals in everyday social situations. The result: he walked away with more than half a million dollars. In The Undercover Edge, Derrick shares his personal mind-set surrounding human behavior and motivation. Even more than that, he provides easy yet groundbreaking tools acquired while overcoming personal adversity.

Join former police detective and private investigator, Derrick Levasseur as he covers a new unsolved case every week. He'll discuss the facts of the case, give you his perspective on the investigation, and leave you with contact information for the individuals or organizations connected to the case so that if you have any tips, you contact them directly and maybe help solve a case...