now, please share with us within that text, where is says "You cannot begin your testimony and then take the fifth."
"No person shall be held to answer for a capital, or otherwise infamous crime, unless on a presentment or indictment of a grand jury, except in cases arising in the land or naval forces, or in the militia, when in actual service in time of war or public danger; nor shall any person be subject for the same offense to be twice put in jeopardy of life or limb; nor shall be compelled in any criminal case to be a witness against himself, nor be deprived of life, liberty, or property, without due process of law; nor shall private property be taken for public use, without just compensation."
This is why you are supposed to plead the firth from the start.
Give a man a fish and he eats for a day. Teach a man to fish and he stops voting for the Free Fish party.
Had Lerner advised the court earlier she would have been legally using her constitutional right.