Ex-boyfriend of missing Fla. cadet Kelly Rothwell arrested in New York, authorities say

(CBS/AP/WTSP) BATH, N.Y. - State police in New York have arrested the ex-boyfriend of missing Florida police cadet on an unrelated larceny charge.

Pictures: Missing Fla. police cadet

David Perry was arrested at his home in Elmira on Tuesday, just one day after the one-year anniversary of Kelly Rothwell's disappearance from her Fla. home, reports CBS affiliate WTSP.

Steuben County District Attorney Brooks Baker says the former prison guard is accused of fraudulently collecting more than $50,000 in state disability payments. He is also accused of faking an injury to receive these workers compensation benefits.

He has pleaded not guilty and is being held on $100,000 bail. Perry is scheduled to be in court again next Wednesday.

Rothwell, 35, was at the top of her class as a police cadet at Pinellas Police Academy at the Allstate Center in St. Petersburg when she disappeared.

The Pinellas County sheriff announced Monday that he was adding an additional $25,000 to the current reward put forth by the Rothwell family of $25,000 for anyone who can locate her body.

Detectives named Perry their prime suspect last year but he wasn't arrested in connection with her disappearance. He was allegedly the last person to see Rothwell before she was reported missing.

Complete coverage of missing cadet Kelly Rothwell on Crimesider