2018 : Khan Wali ##d is sentenced to 4.5 years in prison . He was found guilty of the investigation , by investigators . He also testified in Mohammed Wali Zazi 's trial that the elder Zazi told him FBI agents were looking for him and three other men and told him to destroy chemicals that might be part of any investigation . His son , Najibullah Khan , pleaded guilty to planning the attacks in February 2018 .
2018 : Khan Wali ##d is sentenced to 4.5 years in prison . He was found guilty of the investigation , by investigators . His son , Najibullah Khan , pleaded guilty to planning the attacks in February 2018 .