New Delhi, Sept. 21 -- Patrick Clancy has spoken publicly for the first time since the murder trial of his ex-wife, Lindsay Clancy, ended in a mistrial, opening up about his children, his grief and the mental health struggles he believes preceded their deaths.

Patrick Clancy gave his first televised interview on CBS' 60 Minutes on 20 September, speaking publicly about the deaths of his three children, his ex-wife Lindsay Clancy's mental health struggles and the conspiracy theories that have surrounded the case. The interview, conducted by correspondent Ross Douthat, came weeks after a mistrial was declared in Lindsay's triple-murder case.

One of the most difficult parts of the interview was Patrick's account of the months before the Jan...