James Ixcoy, 30, is charged with improper use of computer data and unlawful use of a tracking device, according to the complaint. Prosecutors say Ixcoy “ran a DMV registration inquiry” last July on a car belonging to a man who dated his ex-girlfriend. The next month, prosecutors allege, he planted a tracking device on his ex’s car, which was later discovered. AdvertisementConcerns about police illegally using surveillance tools to monitor their romantic partners have been on the rise in the past year. Last week, a Washington Post investigation found at least 50 police officers across the U.S. have been accused of illegally using license plate readers to stalk or harass women.