Britney Spears’ father Jamie is challenging a request from the singer’s co-conservator to increase their personal security budget following alleged threats of “violence and even death”.This latest development in the singer’s controversial conservatorship follows on from the resignation this week of Spears’ court-appointed lawyer Samuel Ingham III and her long time manager Larry Rudolph.The request from Spears’ temporary co-conservator Jodi Montgomery this week for “24/7 live security services”