please answer all qestiones with explenation

1. asking leading questions is an effective technique for witness interviews/ yes or no

2. The crown must disclose evidence from witnesses in its possession/ true or false

3. the kaufmann report concluded that the interviewing of witnesses does not require specialized training/ true or false

4.Once the witness has signed their statement the crown is bound by that statement/ true or false

5. Preparation on the part of investigators can enhance the quality of the interview/ true or false

6. Jailhouse informants are reliable on their own/ true or false

7.General informants do not require corporation of their information/ true of false

8. A witness needs to be informed of the charter rights/ true or false

9. A wife is compellable against her husband in the case of sexual assault against their children/ true or false

10. a will say is the testimony a witness is expected to give/ true or false