The arraignment date for a man accused of killing a Laclede county man and his son has been set. Matthew Rumbaugh pled not guilty on Wednesday in front of Judge Larry Winfrey. The Judge denied Rumbaugh’s request for Bond and set the date for November 3rd for arraignment. Rumbaugh is accused of killing Chad Gerber and wounding his son Riley Gerber who later died due to his injuries. Additionally, Gerber’s mother Jessica Frank has filed a wrongful death lawsuit against Rumbaugh.