A CALL7 Investigation into the deadly Lower North Fork Fire has uncovered numerous mistakes, many occurring before the prescribed burn even started.And for the first time, many people who lost everything are speaking out in a half-hour special airing tonight, May 2, at 10:35 p.m. on 7NEWS.In this special, "Investigating the Fire," 7NEWS Reporter Marshall Zelinger talks with Scott Appel, whose wife Ann died tragically in the fire. A man who has lost "beyond everything" opens up to 7NEWS, as questions remain about the prescribed burn that blew up out of control.Additionally, 7NEWS Reporter Amanda Kost investigates the mistakes made leading up to the prescribed burn becoming out of control. And as state leaders move to set up a commission to help compensate the victims, 7NEWS is asking the tough questions directly to Gov. John Hickenlooper -- who should be held accountable?"Investigating the Fire" airs from 10:35 p.m. to 11:05 p.m. tonight and will re-air Sunday, May 6 from 5:30 p.m. to 6 p.m.If you have questions or comments about the investigation or the special -- use #InvestigatingLNFF on Twitter.You can also contact Amanda on Twitter -- @AmandaKost, Facebook, or email. You can reach Marshall on Twitter -- @7Marshall, email or Facebook.