https://en.wikipedia.org/wiki/Controlled_Demolition,_Inc.
Alfred P. Murrah Building, Oklahoma City On May 23, 1995, the firm was responsible for the demolition of the Alfred P. Murrah Federal Building after its bombing on April 19, 1995.[6]
World Trade Center Site On September 22, 2001, eleven days after the 9/11 attacks, a preliminary cleanup plan for the World Trade Center site was delivered by Controlled Demolition, Inc. in which Mark Loizeaux, president of CDI, emphasized the importance of protecting the slurry wall (or "the bathtub") which kept the Hudson River from flooding the WTC's basement.[10][11]
CDI was established as a privately held company in 1960, chartered in the State of Maryland, USA. CDI has felled thousands of structures on a fully insured basis for domestic and international clients. CDI remains a privately held Maryland corporation.
Insurance CDI has placed General Liability limits of over US $100 million for deep pocket, risk averse property owners and clients. Our risk management team can review any insurance requirements a project may require.
https://www.controlled-demolition.com/services/government-weapons-elimination/
You are welcome….might have come from William Coopers HOTT show or maybe his paper Veritas. I have all of my copies still.