Police Officer killed by Car Bomb

The video transcript contains a brief statement, 'I don't know what,' which lacks context or detailed information.

What does the phrase 'I don't know what' imply about a person's knowledge?

In what situations might someone express uncertainty with the phrase 'I don't know what'?

How can the expression 'I don't know what' affect communication in a conversation?

What are some possible reasons for someone to say 'I don't know what'?

Can you provide an example of a context where 'I don't know what' might be an appropriate response?