Examples:

• I don't know what happened to these people, agent Dunham.
• But I don't know all the details of her life.
• Little Dip, I don't know if this is for you.
• I don't know, maybe a single word in my defense.
• Like you're... I don't know, more sensitive to their emotions.
• Look, I don't know exactly what happened in that room.
• I don't know what, but something's happening with the insects.
• That's impossible because I don't know anything about this woman.
• I don't know, maybe Pops had a change of heart.
• Daniel could be in the kitchen, but I don't know.