The source is linked in his post. Did you not read the article? You should provide another source or address the data in the article instead of just asserting it's false with zero argument.
It's very easy to find that this statistics is discredited, the figures aren't for "offensive messages on social media" they cover a range of crimes. If the OP is at all interested in the topic, which their comment suggests they are, then they already know this and posted in bad faith.
I'm not going to prove fire is hot when the OP is asserting the equivalent of 'actually fire isn't hot the burn is caused by socialists'.
I'm not going to prove fire is hot when the OP is asserting the equivalent of 'actually fire isn't hot the burn is caused by socialists'.