The Uttar Pradesh Police's special investigation team probing the Lakhimpur Kheri incident where four farmers and a journalist were murdered during an anti-farm law protest last October has submitted a 5,000-page chargesheet to a local court, saying Ashish Mishra, the son of Junior Home Minister Ajay Mishra Teni was at the spot during the incident, inside one of the SUV's involved in the attack on protesting farmers and the journalist.