He was based in Denmark, which in 1969 became the first country to legalize hardcore pornography[1][3] Sweden followed suit in 1970, and West Germany in 1973.

[1] Kutchinsky was therefore in a unique position to study the effect of pornography on a massive scale.

[1] He found that the incidence of certain sex crimes had in fact fallen, including rates of child sexual abuse in Denmark.

It found that the legalizing of pornography in Denmark had not (as had been expected) resulted in an increase in sex crimes.

"[2] Berl Kutchinsky's last book, Law, pornography, and crime: The Danish experience, was edited by his colleague Annika Snare and published posthumously in 1999.