Many genealogists applaud the concept of assisting law enforcement officials helping identify those who commit violent crimes. However, the agreement isn’t unanimous. Many conservatives point out that identifying potential criminals by use of DNA evidence is a violation of privacy laws, perhaps being in violation of the U.S. Constitution.
A YouTube video at https://www.newsy.com/stories/the-debate-behind-using-genealogy-to-solve-crimes/ helps explain both sides of this controversy.