Hamas appears to be preparing to exact vengeance on those opposed to its rule in Gaza. This will come in the form of mafia-like murders of those Hamas claims are “collaborators.” It will target clans and groups that have shown opposition to Hamas. It will also target those that have worked with Israel, or who it accuses of working with Israel.A Telegram channel linked to Hamas said the group would target “collaborators.”The BBC reported that Hamas has called up some 7,000 fighters to assert its