Police unions say a law easing the way for racial profiling claims could entangle officers in lawsuits over elusive questions about what they were thinking when stopping someone.

Two unions and city lawyers faced off in a Manhattan court Tuesday.

The unions want the law struck down. The city says the law is valid and can improve community trust in police.

The 2013 law relaxes some legal standards for claims that stop and frisk or other police tactics were used in a discriminatory way.

Then-Mayor Michael Bloomberg’s administration sued to try to block the law. New Mayor Bill de Blasio instead joined the City Council in defending the law against the unions’ suit.

A judge hasn’t said when he’ll rule.

(AP)