The ex-con accused of choking and trying to rape a young woman after pushing his way inside her East Village apartment last month was on a “spree of sexual assaults” in Manhattan and Brooklyn — and the attacks began just three days after he was released from a half-year jail sentence for burglary, NYPD brass revealed Thursday.

Days after the East Village assault, accused sex fiend Tyler Lockett allegedly attacked at least two other women who he followed home late at night in Williamsburg, Brooklyn — and he is additionally linked to “several” additional attacks in the East Village, Chief of Detectives Dermot Shea told reporters.

All of the incidents happened the week after he was sprung from jail — after serving only six months for breaking into a Brooklyn apartment.

“I can’t stand here today and tell you a good reason that happened,” a frustrated-sounding Shea said of Lockett’s brief jail stay.

The Jan. 25 burglary collar that landed him in jail was one of three arrests that month for Lockett — the others were for criminal trespass and robbery. He was released on July 23 to the supervision of the Fortune Society, sources told The Post.

“Within three days, we know that he struck and committed the first assault … that was on July 26,” Shea said.

On that day, at 1:45 a.m., Locket followed a 21-year-old female college student to her East Village apartment, allegedly wrapping his arm around her throat as she tried to open her door.

The terrified victim briefly lost consciousness from being choked in the attack, according to the criminal complaint against Lockett. She told The Post that her roommate made a noise that caused her attacker to flee.

“I had a moment when I was on the ground, I was like, ‘This is it. This is how I die,” she said.

Lockett next allegedly assaulted a 28-year-old woman on July 28, at Bushwick and Montrose avenues in Williamsburg, putting his hand on her mouth and ripping her shirt before fleeing when she punched him, sources told The Post.

He’s a suspect in a July 29 attack on a woman who was followed home to her apartment, the sources said.

Then on Aug. 2, he allegedly followed a woman home from a bar to her Powers Street apartment in Williamsburg, pushing his way inside when she opened her door. He allegedly exposed himself and began choking her, sources said.

Lockett was arrested on Aug. 2, and any additional victims are being urged to come forward, Shea said.

Reps from the Fortune Society, which promotes “alternatives to incarceration,” according to its website, were not immediately returned.