Islam adheres peace, strict prayer, fasting etc. Then how the terrorism, militancy is appeared in islam?

All the muslim world including terrorists, militants are also follows strict religious rituals like 5 times praying, ramdan fasting 1 month. And there is no room for so called jihad, militancy, terrors which is against the peace. Also compared to the other religion muslims looks god feared. Inspite of all these things militancy, terrorism is increasing day by day.