A former FBI agent gives insight into recent shootings that have messages on bullets and why the messages should be taken with a grain of salt.

Shell casings with messages inscribed on them have been recovered after three high-profile attacks within the past year.

If you need to find a particular value in an Excel sheet, the quickest way is to use a lookup formula. The most popular functions to use in these formulas are VLOOKUP and HLOOKUP, which search across ...

An unspent casing found while investigating a shooting at a U.S. Immigration and Customs Enforcement facility in Dallas on Wednesday had the message “ANTI-ICE” written on it, FBI ...