TSOT135: 2018 Crime Solve Illuminates Feds' True Capability to Solve Many Crimes They Actually Want To

Querying for geofenced phone data to make sense of things and potential actors in a crime is a very established technology. 
When feds have a hard time solving an infamous crime where key location of suspects is known, not solving the crime is often a sign of a lack of commitment to use this very available informational tool. 

Where this was over 7 years ago, for its use to help solve a local crime, illustrates its availability and maturity for other crimes for which "who was in the area at the time" would be key. 

A la "pipe bombs" at both DNC and RNC on January 6.