An arrest has been made in the Monday homicide of a 16-year-old Montgomery youth. Police report that 19-year-old Floyd Burnett of Montgomery has been charged with one count of murder in connection with the shooting death of Kourtney Richardson. Richardson was found with a gunshot wound in the 1900 block of Gibbs Drive Monday afternoon. Detectives say it appears the shooting was triggered by a verbal altercation. Burnett turned himself in to police yesterday and was taken to the Montgomery County Detention Facility where he is being held on a $150,000 bond.