Yes, that is correct. To expand a bit: the rape of women, children, and even other men is seen as a part of the machismo culture in Mexico. It evokes less revulsion in that culture than ours.
Wrong. The major difference is in reproductive age. The biological reproductive age is the same but the cultural reproductive age is different. In many countries, including Mexico, reproduction starts at an earlier age.
Also, in Mexico and other nations to the south, they have what called Rapto, the ritual abduction and rape of the woman as part of the marriage ritual. The female co-operates.
This article is full of mis-info.
First he uses two sources that he bounces back and forth. One is the ICE data that is linked to #14 and the other is the Violent Crimes Institute which is Schurman-Kauflin.
On the ICE data he goes from Foreign National to illegal alien to Mexican illegal alien. Also he slides from exploitation to sexual exploitation to sexual molestation.
As for the VCI data, that method is using the incarceration data to extrapolate back to a crime rate. There is no correlation between incarceration rate and crime rate. If you calculate crime rates of all groups using this method, then add them all up, the erroneous total number of crimes is about double of the total number of crimes reported.
Ms Schurman-Kauflin's previous study in which she used the same method to calculate the murder rate of women has also been shot down.