Authorities said David Vincent Rosa worked as a handyman and painter and previously lived in Philadelphia, Malvern, Allentown and Saylorsburg.
Authorities issued an arrest warrant for Richard Balanow on Friday.
The investigation began after a father noticed someone trying to take pictures of his son inside a bathroom by a mall food court.
A search for a third suspect is underway after two would-be robbers were arrested after attempting to steal fragrance bottles from an Ulta Beauty store in Chester County.
Police are trying to identify a group of thieves who stormed an Ulta store and got away with $11,000 worth of merchandise.
According to police, Charlotte Fischer, 24, and Johnson Larose, 25, known on YouTube, as "Saucy and Honey," were in the Exton store illegally.