The incidents happened late in the afternoon on Monday, Jan. 20 in Hicksville.
According to Nassau County Police detectives, Hector Castro, 52, of Woodbury, approached a 7-year-old boy at the Broadway Mall and grabbed his leg inappropriately.
The boy's mother confronted Castro after witnessing the incident and he walked away, according to police.
A short time later, Castro approached an 11-year-old girl and touched her inappropriately, police said.
Castro fled the scene and was located by responding officers at a nearby location. He was placed under arrest without further incident.
Castro was charged with two counts of endangering the welfare of a child. He will be arraigned on Tuesday, Jan. 21 at First District Court in Hempstead.
Detectives request if anyone believes they may have been a victim of the Castro in possible other incidents contact Second Squad Detectives at (516) 573-6352.
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