Exclusive | Devastated dad reveals last time he spoke to his 4 happy kids before they were found apparently poisoned to death alongside mom, grandma

The four children found dead alongside their mother and grandmother in an upstate New York home appeared “happy” during their final conversation with their heartbroken father, he revealed Friday. Brady Harmon recalled the last time he spoke with his kids during a roughly 15-minute Facetime call on June 7.“They seemed like happy little kids,” he told The Post. Mechanicville police discovered the corpses of Harper Harmon, 13, Hudson Harmon, 11, and twins Gavin and Gracelynn Harmon, both 10, inside an apartment Tuesday, where investigators believe their grandmother fatally poisoned them and their mother, Sarah Myers, 44.  “Harper and Grace would show me their drawings, Hudson would show me their cat and Gavin would show me something he built,” the grieving dad said.Harmon, 46, hadn’t seen his kids since 2019, but had recently been granted two months of custody – which was set to begin July 1. “I was supposed to be flying out on the 30th, gathering my kids and flying them home, then having them there for 60 days,” explained Harmon, who lives in Salt Lake City, Utah.As he was preparing for their arrival, local cops knocked on his door late Tuesday to break the unthinkable news.“They say time heals all wounds, but this is a gaping hole that will never heal … it will never go away,” he mumbled, his voice cracking. The plan is to bury his children in Utah – far away from their mother, Harmon told The Post. “I don’t believe anyone who can’t protect them should be anywhere close to them.If she had anything to do with it, that’s just another reason why,” he said of his ex-wife – adding that the arrangements are part of his “responsibility and duty as a parent.”Old heart-wrenching photos shared by Harmon on Facebook show the smiling children clad in butterfly and dinosaur costumes for Halloween, playing on a swing-set and cuddling with their father during a nap on the couch. The children’s maternal grandmother, Amy Steadman...