The Westing Game: Chapters 14 and 15

Chapter 14
1. What was Angela searching for under the hoods of the cars in the parking lot?
2. Why did Sandy refuse to accept a tip from the judge?
3. Who was talking in Grace Wexler’s kitchen?
4. Why were the tenants buying so many Westing Paper Products?
  Chapter 15
1. Who is Judge Ford working with as a private detective to find information on the heirs?
2. Why is Judge Ford surprised at Sandy's description of Mrs. Westing?