Yemen

Yemen's armed forces receive counter-terrorism training and direct military financing from the Americans. However, Yemen is a shaky, neophyte democracy where power structures are highly personalised and President Ali Abdullah Saleh often prefers to neutralise his enemies by locking them into loyalty bargains. Flexible notions of custody include loose house-arrest or promises of good behaviour with verbal security guarantees from tribal intermediaries.

http://www.opendemocracy.net/article/yemen-the-weakest-link