Casey Kalu has lived in Sweden for several years, but he carries many terrible memories from his time in Nigeria - memories that come back after recent reports about the unrest in his home country.
On Sunday afternoon, he participated together with about 30 others in a demonstration march through Örebro to shed light on the situation in his home country.
- It is corruption from the very highest level.
Almost all politicians are corrupt.
There is a special force within the police that helps bank robbers and also helps with kidnappings.
Ordinary people are harassed and shot in the open street, he says.
Horrible reports daily - Casey himself has been affected
In recent weeks, more than 51 civilians have died in clashes between protesters and security forces in Nigeria.
Artists and also other well-known profiles have gone out openly and protested against the police's brutality that has escalated.
Casey Kalu has both witnessed and been harassed during a visit to Nigeria.
Hear him tell you more about it in the clip above.