Meng's granddaughter, Adah Maurer, wrote Paul Avrich a letter in which she said that her mother, who was 15 at the time of the bombing, told her that her father was the bomber.
Nepoata lui Meng, Adah Maurer, i-a scris lui Paul Avrich o scrisoare în care spunea că mama ei, care avea 15 ani la momentul atentatului, i-ar fi spus că tatăl ei a aruncat bomba.