LONDON (Reuters) - News Corp executive James Murdoch could face a police investigation into claims he gave "mistaken" testimony to Britain's parliament this week, deepening the legal crisis that has engulfed the Murdoch family's media empire. (http://feeds.feedburner.com/~ff/reuters/topNews?d=yIl2AUoC8zA) (http://feeds.feedburner.com/~ff/reuters/topNews?i=YypLZOVjpss:lQ3npH9STVE:V_sGLiPBpWU) (http://feeds.feedburner.com/~ff/reuters/topNews?i=YypLZOVjpss:lQ3npH9STVE:-BTjWOF_DHI) (http://feeds.feedburner.com/~r/reuters/topNews/~4/YypLZOVjpss)