Accused Grand Central stabber shouldn’t have been out after threatening Bronx man two weeks before slicing teen tourists

The deranged attacker who allegedly stabbed two teenage tourists at Grand Central Terminal never should have been let out after he threatened a man in the Bronx just last month, the victim in that case said Tuesday.

Yussif Abdullahi, 46, was outraged after learning that Steven Hutcherson, 36, had been cut loose by a Bronx judge — just two weeks before he allegedly randomly knifed a 14-year-old girl and her 16-year-old sister as they enjoyed a Christmas Day meal with their family at a restaurant in the Grand Central concourse.

“They shouldn’t have let him out [of jail]. I don’t believe it,” he told The Post.

Abdullahi said his Nov. 7 run-in with Hutcherson was the most dangerous encounter he’s had since he moved to the US from Ghana in 2008.

He’d been working outside a freight truck depot in Hunts Point when he said he saw Hutcherson allegedly attacking a woman.

Hutcherson — a homeless man with a lengthy rap sheet and history of mental illness — then suddenly turned his ire on Abdullahi, yelling: “Why are you working for white people? I’m going to kill this man!”