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. Last Updated: 07/27/2016

Gunman Shoots Couple, Baby in Their Apartment

Police were looking Wednesday for an "inhuman" man who shot dead a couple and their 1-month-old child in their apartment in southern Moscow.

The gunman did not appear to have forced his way into the apartment at 26 Voronezhskaya Ulitsa and the motive in Monday's early morning killing was unknown, police said.

The killer first fired at Yevgeny Milyukin, 26, hitting him in the chest and left temple, a detective at the Orekhovo-Borisovo Yuzhnoye police unit said, speculating that the two men had quarreled.

It appeared that his wife, Larisa Milyukina, 23, heard the shots and rushed into the room with their infant son, Anton, said the detective, who refused to give his name.

Segodnya daily newspaper said the mother turned her back to the gunman to shield her baby, and one of the bullets pierced her body and then hit the baby.

"This was no human. ... I don't even know what we will do to him when we find him," the detective said.

Neighbors heard the shots fired at about 6 a.m., but paid no attention to them, he said.

Milyukin's sister, Maria Naumova, discovered the bodies when she arrived at the apartment at around 9 p.m. and immediately notified police.

Detectives found four cartridges, two fired bullets and one unused round of ammunition that apparently jammed in the killer's 7.62 mm pistol. The murder weapon was not found.

Police said they had some leads in their search for the killer.

Composite sketches, drawn with the help of unidentified witnesses, have been distributed throughout Moscow. The man is believed to be 25 to 30 years old, has black hair and was dressed in a short black leather jacket and dark blue jeans.

"Some progress has already been made," said Alexei Ilyushin of the southern district prosecutor's office, who is investigating the killings. He refused to give details or comment on possible motives.

The local detective said the killer could have been a gangster who wanted Milyukin to pay a protection fee. Milyukin was a skilled painter and is believed to have taken lucrative orders for the renovation of apartments, he said.

However, a neighbor of the Milyukins said the family did not appear to have much money. "They lived very modestly," said the woman, who asked not to be named.

Police said they were investigating a possible link to a conflict between Milyukin and his sister, Naumova, over the three-room apartment.

The two siblings inherited the apartment when their mother died a couple of years ago, the neighbor said.

Naumova had been mostly staying with her husband in the Moscow region of Pushkino since her mother's death, but has recently moved in with her brother, she said.

She has refused to allow her brother to register his wife, who is a native of Ryazan, in the apartment, the neighbor said.

Despite the quarrels with her brother, Naumova is not considered to be a suspect, the detective said.

Naumova could not be reached Wednesday.