Testimony of Phillip Kassel, Executive Director, Mental Health Legal Advisors Committee, to the Massachusetts Joint Committee on the Judiciary, at its Hearing of June 19, 2017, Regarding H. 74, An Act Implementing the Joint Recommendations of the Massachusetts Criminal Justice Review, as Well as S.1296/H.2248, S.1297/H.2249, S.1286/H.3071, Regarding the Use of Solitary Confinement in Massachusetts Prisons and Jails