Three French police officers have been convicted over the death of a black man during his arrest in Paris in 2015. The officers were all found guilty of manslaughter on Tuesday and handed 15-month suspended prison sentences. Two of the defendants had strangled Amadou Koumé and pressed their knees on him during the arrest. The third man on trial had been the senior officer on duty. Koumé’s family have welcomed the guilty verdicts from the Paris criminal court but says the suspended sentences are “lenient”. The 33-year-old father, who suffered from dementia, died in March 2015 after he was pinne…