DID INVESTIGATORS GASLIGHT RICHARD ALLEN INTO MURDER CONFESSIONS?

Newly released video footage of Richard Allen, The man who was charged and convicted for the murders of Abigail Williams and Liberty German in Delphi, Indiana, has been made public and has a lot of people talking!
Was Richard Allen gaslit into confessing to the teens' murders? After listening to Allen's Jail calls numerous times as well as reviewing the police interrogation video, It seems to me Richard Allen was in deteriorating health both mentally and physically at the time of him. Confessing. In one of the first calls Richard Allen States "I'll tell them anything they want me to" multiple times.