Did Moses pbuh Sin?

Did Moses pbuh really sin by killing the Coptic? This question has baffled many scholars of Islam as well as other Abrahamic religions in the past. Is there any alternative explanation to what really happened? Check out this video to find out the answer. Ahmed Al-Hasan is the promised Mahdi to be born in the end times, the successor and messenger of 12th Imam- Muhammad ibn Hassan and the messenger of Al Khidr to the Muslims, the awaited Comforter sent from Jesus to the Christians, and the messenger sent from Elijah to the Jews before their return. The Absolute Proof of Ahmed Al-Hasan: https://www.youtube.com/watch?v=HmwjO_8wRfk Refuting the misconceptions of Sayed Hasan Nasrullah about this blessed divine call: https://www.youtube.com/watch?v=Z_YkxQtHbiE Find out if your are following the correct Islamic beliefs: https://www.youtube.com/watch?v=tUpUroHWjQU Official Website: http://almahdyoon.org Official Facebook Page(Arabic): https://www.facebook.com/Ahmed.Alhasan.10313 Official Facebook Page(English): https://www.facebook.com/AhmedAlhasanEnglish.10313