In a final message before taking his life, the lead building inspector responsible for a Center City building that collapsed last week said he was to blame for the deadly disaster.

"It was my fault. I should have looked at those guys working, and I didn't," Ronald Wagenhoffer said in a video recorded on his smartphone.

NBC10 Philadelphia has learned the 52-year-old veteran Philadelphia Licenses & Inspections staffer recorded the one-minute long message for his family.