In prison he became a model prisoner and was often released early for good behavior.

She's served almost 18 years and become a model prisoner.

In his own world he wanted for nothing, and the governor considered him to be a model prisoner.

As well, since his incarceration, he had not been a model prisoner.

Up in the big house, the crook had become a model prisoner.

In all that time, he had been a model prisoner with only one disciplinary mark against him.

Indeed, I trust you will find me a model prisoner.

He was regarded by the authorities as a model prisoner.

Her current lawyer says she's a model prisoner and should be out no later than the spring of 1991.

He was released after nine months as a model prisoner.