They are both crime, suspense shows that follow a team of criminal profilers that work together to build a profile of the criminal and help bring them to justice.

Very similar feel between the main couple. Both major tear jerkers. Beautiful heartbreaking stories with loveable characters and a couple you want to root for. Just all around gorgeous cinematography and amazing osts. Just go watch them already lol

A group of elite specialist solving crimes.

ST is more scientific and the unit is made up of "outcast".

While crisis is made up of officers from other units who have experienced different bad events causing them to be into the special security squad.