A PENSIONER has been jailed for a “shameless and calculated” sexual assault on a woman with a mental disorder.

Frederick Windmill, 69, was condemned by a judge for showing no remorse or empathy for his victim following his attack.

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Prosecutor John Ryan said the defendant’s assault on the vulnerable victim was “sustained”.

Mr Ryan read an impact statement on behalf of the woman, which was prepared by a family member.

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It spoke of the “great upset” and the “stress and worry” Windmill’s offending had caused.

The defendant, of Grove Estate, Trethomas, Caerphilly, admitted sexual activity with a female with a mental disorder impeding choice.

Cardiff Crown Court heard how Windmill was a man of previous good character with no convictions recorded against him.

Kevin Seal, representing the defendant, said: “Perhaps the best mitigation is his guilty plea which prevented the victim having to give evidence.”

He added: “He has had a lifetime of heavy drinking and this has perhaps numbed his emotions.

“The defendant does not enjoy the best of health.”

Judge Jeremy Jenkins said: “This was a brazen, sustained and calculated attack.

“There was an element of grooming. You have shown a complete lack of remorse or empathy.”

Windmill was jailed for 12 months.

He will have to register as a sex offender for 10 years.

The defendant was made the subject of a sexual harm prevention order for the same period of time and must pay a victim surcharge upon his release from prison.