Mattel Inc. (MAT) has been accused of manipulating the MGA probe. MGA Entertainment claims Mattel tried to influence the Canadian police while they were investigating a trade secrets theft complaint brought against it by Mattel. The U.S. District Judge has ordered Mattel’s Chief Security, Richard De Anda, to appear at a hearing on September 21, 2009. [...] (MAT) Did Mattel Manipulate the MGA Probe?