Counterclaims (pretty sure)
Not sure what the question is but if it is how does the officers statement portray irony it is the fact that they are eating the murder weapon and demolishing the evidence.
Answer:
like "so, because, and, then, thus"
1. Grandpa embarrassed Martin by the way he looked.
2. The wise old man gave Grandpa’s father the name Iron Shell
3. Grandpa gave the medicine bag to Martin