Killing can cause/lead to Suicide. one thing you do when you Killing is Shoot. Shoot is a synonym of Branch. 
Chief is related to Charge. Charge is related to Cell. Cell is related to Basic. 
Suicide <--Causes-- Killing --HasSubevent--> Shoot <--Synonym--> Branch 
Chief <--RelatedTo--> Charge <--RelatedTo--> Cell <--RelatedTo--> Basic 