Suffolk Homicide Squad detectives Tuesday continued searching for the killer of 15-year-old Liam Delemo, who was stabbed to death Monday evening at a house party in West Babylon, while the boy's parents mourned the sudden loss of their only child and made arrangements for his funeral.

"You don't expect that phone call," Mike Delemo said in a phone interview with Newsday on Tuesday afternoon. "Nobody does."

Mike and Hope Wisun-Delemo said they knew Liam was going to attend the party on Carlton Road, just around the corner from their home in West Babylon, but trusted their son, a perennial honor student, to be home early. Then, Mike Delemo said, the couple received a frantic phone call from one of Liam's friends about 10:30 p.m. Monday — telling them their son had been stabbed.

The two ra

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