Was the Sixth Amendment right of confrontation violated by the introduction of a correctional officer's statement and testimony about another officer's observations?

QUESTIONS PRESENTED 1) Was the Sixth Amendment guaranty of the right of confrontation denied by the trial introduction of a handwritten statement of a state prison correctional officer, created as part of a formal investigation of a beating of a prisoner, when the statement was written five days after the event and purported to capture the observations of another correctional officer who allegedly relayed them over the phone to the author? Was the right of confrontation further violated when a second witness was allowed to state an observation of that same unavailable declarant? i