Lewis powell was arestted first
The answer is in your question :) The Friar gave Juliet the sleeping potion, but Romeo thought she was dead! This leads to Romeo killing himself to "be with Juliet," and Juliet then doing the same to be with Romeo.
Starr and her mom interprets the questions the investigator asks about Khalil being a drug dealer as them trying to put the death of Khalil on himself and trying to make them feel better about killing her friend.
No. Independent clauses can be used as their own sentences but dependent clauses depend on independent clauses