Kolton Gardner, 18, of Conklin, who attended middle school and high school with Mr. Gendron, described him as " definitely a little bit of an outcast."

来自康克林的18岁的科尔顿·加德纳和詹德龙一起上初中和高中，他形容他“绝对有点被排斥的感觉”。

On Sunday morning, F.B.I. agents and members of other law enforcement agencies gathered in front of Mr. Gendron's home in Conklin, N.Y., a suburban town with rolling hills in the southern part of Broome County, about a 200-mile drive from Buffalo.

周日上午，联邦调查局特工和其他执法机构的成员聚集在詹德龙位于纽约州康克林的家门前。康克林是一个位于布鲁姆县南部、山峦起伏的郊区小镇，距离布法罗约200英里的车程。