A 22-year-old man was stabbed to death Sunday morning in Prospect-Lefferts Gardens, police sources said. Jaiquan Thorne was knifed in the chest at about 6 a.m., according to cops. He was rushed to Kings County Hospital but couldn’t be saved, police said.

Police are looking for a burglar who struck a home in Sheepshead Bay. The thief entered a home at 2701 Ocean Ave. at about midnight on Dec. 14 and stole an 18-year-old man’s wallet, according to cops. The man’s credit card was later used to make unauthorized purchases at various locations, police said. The crook is a 25- to 30-year-old man who is about 5-foot-8 and weighs between 180 and 200 pounds, according to police.

Cops on Sunday released a surveillance image of a gunman who shot a teenager in the Farragut Houses. The shooter let loose at about 5 p.m. Friday in front of 234 Sands St., striking the 15-year-old boy once in each of his legs. The victim was rushed to New York Methodist Hospital in stable condition, police said. The shooter was wearing a black baseball hat, a black hooded sweat shirt and blue sweat pants with white stripes, cops said.

Cops are looking for three men who robbed a cellphone store in East New York. A Metro PCS store clerk, a 20-year-old woman, told cops that the men entered the store at 635 Sutter Ave. at about 4:30 p.m. on March 2. One of them stood by the door as a lookout while the other two went behind the counter and removed an undetermined amount of money and the clerk’s phone, according to police.

A teenage girl snapped a photo of a man she says exposed himself to her on a train in Hunts Point, cops said Sunday. The 18-year-old victim was just about to get off a Manhattan-bound 6 train at Whitlock Avenue at 2:40 p.m. Friday when the pervert (pictured above) exposed himself and started masturbating, according to police.

Cops are hunting for a man who entered a Starbucks in Marble Hill and pulled a gun on a barista, according to police. The stick-up happened at 64 W. 225th St. at about 10:40 p.m. on March 9, police said. The thief demanded cash and removed a firearm from his pocket, reached over the counter and took an undetermined amount of money from the register before fleeing, according to police sources. A suspect wore a gray hooded sweat shirt.

A robber stole $20 and clothing from a dry-cleaning business in Harlem, according to cops Sunday. The crook entered Sky Blue Dry Cleaning & Tailoring at 341 St. Nicholas Ave. at about 10:20 p.m. on Feb. 23, swiped the money and clothes and then fled, police said. He’s in his 30s and between 5-foot-7 and 5-foot-10. He was wearing a blue coat, a blue hooded sweater and blue jeans, according to police.

A 32-year-old man told cops he was walking to his car in Long Island City when someone shot him in his left arm, police said. The man was approached at 1:30 p.m. on Feb. 29 across from 38-31 Ninth St., according to police. He told investigators the gunman ordered him to lie on the ground and then shot him before fleeing. The victim was taken by ambulance to New York Presbyterian Hospital, where he is in stable condition, according to cops. Police are looking for a man between 40 and 45 years old, standing 5-foot-7 and wearing a blue work helmet, yellow jacket and black clothing.