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The search for a missing Westchester college co-ed is focusing on a male student who took a lie-detector test days after being the last person to see her alive.
Lauren Spierer, an Indiana University student missing nearly a week, was seen entering her apartment building in Bloomington with a “male friend” and going back out with him at around 2:40 a.m. Friday, officials said.
Students who encountered Spierer, 20, and her pal — identified by friends as Corey Rossman — leaving the building told The Post that she was drunk, he was bothering her and that he got angry when they asked him to stop.
“He was being overly aggressive . . . being so belligerent,” one said.
But the two walked away together, winding up at Rossman’s apartment, witnesses said.
Rossman, a 21-year-old student, told cops that she left at 4:30 a.m. and that he watched her walk away to make sure she was OK.
The young man, who has taken a polygraph test, did not respond to multiple requests for comment.
One of Spierer’s friends said, “She was a tiny girl, clearly very inebriated with no shoes or phone . . . He never should have let her leave.”
Cops have also interviewed Spierer’s boyfriend, who is not the man she’d been out with that night.
Bloomington Police Lt. Bill Parker said police have searched the entire city — some areas several times. The search will now expand beyond the city limits.
Indianapolis Colt owner Jim Irsay is offering a $10,000 reward for information that helps find Spierer.
State Police, meanwhile, will investigate the local Kilroy’s Sports Bar for allegedly serving alcohol to Spierer, a minor.
Parker said Spierer left her cellphone and shoes there. Officials suspected she was barefoot because there is a fenced-in sandy area at the bar.
Additional reporting by Colin Mixson