A criminal complaint shows a 43-year-old man from Decorah fatally shot his father. The Winneshiek County Sheriff’s Office announced early Monday they arrested Aaron Whittle on a charge of 1st-degree murder. It’s in relation to a missing person’s case that came to light on Saturday, involving 74-year-old Lawrence Whittle. A criminal complaint shows on Sunday, during an interview with law enforcement officers, Aaron Whittle stated he fatally shot Lawrence Whittle with a firearm, and that it had happened on Thursday, March 17. The complaint goes on to say observations by law enforcement at the scene were consistent with what Aaron Whittle had described to them. Aaron Whittle is held on $1 million bond.