Her family relocated to Los Angeles when she was 14 years old.
He was initially taken the Allegheny County Prison.
Sources said Anokhin also told cops she kicked him in the groin.
Christina Kraft, 36, was found dead in the bedroom of her ground-floor apartment in Ardmore, Pennsylvania on Wednesday at 9.
The married model - who was crowned Playmate Miss February 2006 - had reportedly been binging on cocaine and booze in the hours before her death in California.