The Griffith Police Department in conjunction with the Alsip Illinois Police Department served a search warrant at a residence in Alsip. and a subject was taken into custody for questioning in the kidnapping and murder of Griffith businesswoman Mary Austgen. Investigators say they are continuing to follow up on all other leads and other possible suspects. No further information is available at this time and no charges have been filed. Griffith and Gary Police are investigating, together with the FBI, ATF, and Northwest Indiana Major Crimes Task Force. Earlier this week police announced a $10,000 reward was being offered as authorities were seeking tips in identifying a suspect or suspects in the kidnapping and murder of Austgen, who was found at a parking garage at the Majestic Star Casino in Gary with a fatal gunshot wound shortly after 2 am on March 29th.