Man who killed Mattydale store owner was shoplifting nitrous oxide, deputies say

Mattydale, N.Y. — A man who fatally shot the owner of a Mattydale convenience store Sunday was trying to shoplift two canisters of nitrous oxide, deputies said.

The man, Alec Grieger, 30, had walked out of the Mattydale Express store with the canisters, each worth about $50, according to Thomas Newton, a spokesperson for the Onondaga County Sheriff’s Office.