A recent analysis in Campbell Systematic Reviews examined the effects of media on two aspects of radicalization: the support of the use of radical violence in the name of a cause or ideology (called cognitive radicalization) and the actual involvement in such violence (called behavioral radicalization).
source https://www.lifetechnology.com/blogs/life-technology-science-news/does-media-exposure-influence-an-individuals-risk-of-radicalization