What Is The Curious Incident Of The Dog In The Nighttime

The Curious Incident of the Dog in the Night-Time:
Mr. and Mrs. Shears roles in the story
Thesis:
Christopher’s investigation was provoked by Mr. and Mrs. Shears; additionally, each of these characters enhanced Christopher’s life in different ways.

1) Mr. and Mrs. Shears both contributed to Christopher’s investigation of the death of Wellington
 Investigation of the death of Wellington
 Mr. Shears is mysterious
 He may have killed the dog because he separated with Mrs. Shears
 Mrs. Shears doesn’t want Chris to get involved and it’s her dog
 “Let go of the dog” she shouted. “Let go of the fucking dog for Christ’s sake.” (Haddon 4)
 “If it was (c) I only knew one person who didn't like Mrs. Shears, and that was Mr. Shears, who knew