In an effort to prevent false confessions, 18 states now require confessions to be:

In an effort to prevent false confessions, 18 states now require confessions to be electronically recorded. Either as a result of fear of a more severe punishment, the use of intimidation (real or perceived), stress or fatigue, among other reasons, some suspects confess to a crime that they did not commit. In order to prevent a not guilty suspect from being convicted, but also to assist law enforcement, the practice of recording interrogations has been implemented in states such as Colorado and Massachusetts.

can you explain it better