GREENLAND, N.H. — The mother of a New Hampshire man who fatally shot a police chief and wounded four officers is fighting for ownership of three vehicles towed from the scene.

A lawyer for Beverly Mutrie is seeking to block transfer of the vehicles to the federal Drug Enforcement Agency, saying the cars are hers. The state attorney general’s office asked a Portsmouth Circuit Court judge to transfer ownership so it could seek to seize them through forfeiture proceedings.

The Portsmouth Herald reports a hearing was scheduled today.

Mutrie’s son, Cullen Mutrie, killed Greenland Police Chief Michael Maloney and wounded others as members of an attorney general’s drug task force tried to serve a search warrant at his home on April 12. Mutrie later killed a female companion and himself.