Lawyers for Dzhokhar Tsarnaev are presenting their case to jurors for why the convicted marathon bomber should be spared the death penalty.

If Tsarnaev gets life in prison, he’ll likely go to ADX, sometimes called the Alcatraz of the Rockies.

The Boston Globe‘s David Abel reports the Florence, Colorado, prison is designed for the harshest possible form of solitary confinement.

Listen to Abel’s interview with New England Public Radio’s Susan Kaplan by clicking the audio player above.