Crimestoppers is offering a reward of up to $7,500 for information leading to the arrest of a suspect wanted in the killing of a woman in Buffalo Dayana Jackson was killed June 28 on Koons Avenue. Anyone with information is asked to call Crimestoppers at 716-867-6161. RELATED: Buffalo mayor calls for ‘ceasefire’ following another shooting in the city RELATED: Buffalo Police: 2 men shot, 1 killed Tuesday night near MLK Park RELATED: Buffalo…