Chapter+2

1. How did she know that her sister Elaine disappeared?

because. she came from new york to los angeles to see her sister and to have dinner together but she didn't come and she knew that she left her work suddenly

2. Why was Helen angry with samuel?

Because.he was funny so she threatened him of finding another detecive

3. What in formation did he ask for ?

her sister address and the place of work, and some information about herself

4. Why did samuel suspect Helen?

Because. she didn't tell the police, she came to him after six days and refused to give him any information about her self