Manhattan

A shoplifter with expensive taste was arrested for stealing $20,000 in clothing from two highend boutiques, authorities said.

On Aug. 9, Kenneth Graham, 32, allegedly stole a fur coat worth $17,520 from Lanvin, on Madison Avenue near 68th Street in the Upper East Side. On Aug 12, he snagged a Dolce&Gabbana coat, dress and blazer valued at $3,897 from Designer Expo, on West 57th Street near Fifth Avenue in Midtown, according to a court complaint.

Graham was tracked down and arrested Monday, authorities said.

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A sharpeyed auxiliary cop chased down a pursesnatching thief in Washington Heights, cops said yesterday.

Auxiliary Lt. Ceasar Quintana happened to witness Denetris Faison, 21, stealing the purse of a 51yearold woman Sunday at 10 a.m, cops said.

The thief allegedly knocked the woman down the stairs at the 157th Street/ Broadway station of the No. 1 line.

Quintana radioed for backup as he chased Faison several blocks, sources said.

The quickfooted lieutenant caught up with the punk just as two squad cars pulled up.

Faison, who also faces charges for a Sept. 12 purse snatching, was slapped with charges of robbery, assault, resisting arrest and criminal possession of stolen property.

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Police are looking for the armed thug pictured above in the holdup of two convenience stores.

The suspect began his robbery spree on the Upper West Side Tuesday at 9:30 p.m. in the IJ Convenience Store, onAmsterdam Avenue near 86th Street.

The punk pretended to be buying something and then flashed a gun and demanded cash, sources said. The cashier forked over the dough, and the hood fled, cops said.

Just over an hour later, he allegedly pulled a similar heist at the Haque Convenience Store, on First Avenue near Ninth Street in the East Village.

The thief is 25 to 30 years old, between 6 feet and 6foot2 and 200 pounds, police said.

The Bronx

A man attacked his girlfriend in front of her two young children in Kingsbridge Heights, authorities said.

Marlon Davis, 47, kicked the victim to the ground at 3 p.m. on Sept. 16 in an apartment on Reservoir Avenue near West 195th Street, court papers state.

When the woman tried to flee with her 3yearold son in her arms, Davis pushed her down again and she landed on the tot, cops said.

With the help of an accomplice, Davis allegedly bound the woman’s legs and mouth with duct tape and then secured her to a radiator with a dog chain tied around her neck.

“Leave my mommy alone,” the victim’s 4yearold son cried out, according to court papers.

Davis was arrested two hours later on charges of robbery, assault and endangering the welfare of children.

Queens

A man attacked a friend with a beer bottle in Flushing, authorities said yesterday.

Jagtar Singh, 52, and his 58yearold pal were fighting in a building on 56th Avenue near 185th Street on Sept. 5 at 7:45 a.m.

The situation escalated, and the assailant dragged the victim down a flight of stairs by his beard, court papers state.

On a stairwell landing, Singh allegedly smashed his buddy over the head with the bottle.

Singh was arrested on charges of assault and harassment, said a spokesman for DA Richard Brown.

The victim needed stitches for a head wound.

Brooklyn

A young man was gunned down in an East NewYork housing project, police said yesterday.

The 19yearold victim, whose name was not released, was shot several times Thursday at 3 p.m. in front of the Boulevard Houses on Cozine Avenue near Van Sicklen Avenue, cops said. He died at Brookdale Hospital.

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Aman was fatally shot in Prospect Lefferts Gardens yesterday, cops said.

The unidentified victim was arguing with a man at Sterling Street and Nostrand Avenue at about 4:25 a.m. when he was shot.

The victim was blasted several times in the face and torso, sources said.

EMS rushed him to Kings CountyHospital, where he died, police said.

Staten Island

A guntoting young man was arrested in St. George, officials said yesterday.

Timothy Dale, 19, was carrying a semiautomatic pistol on Saint Marks Place near Nicholas Street Wednesdaywhen a cop spotted him at 3:15 p.m., police said.

He quickly ditched the loaded Luger, from which the serial number had been scratched off, and tried to flee, court papers state.

Cops quickly collared the punk on charges of weapon possession and resisting arrest, said a spokesman for DA Daniel Donovan.