That is actually good advice, but I would add " I am cooperative and will give a statement with my attorney".
As someone who has investigated dozens of both citizen and officer involved shootings, as well as been involved in the investigation of over 80 homicides, the advice from 87TT is absolutely correct. I have never seen a law abiding citizen prosecuted for a homicide, and a lot has to do with 3 things: your statement to Police, the DA desire to make a conviction stat off your actions, and your standing in the community.
It seems to me with the limited information provided that Ryan C used good judgement in not shooting at a vehicle leaving the scene of a hot prowl burglary (not a robbery).
The last question I always asked in an shooting interview was "what did you think would happen if you did not fire?" The entire case is in your response.( I used that question myself as it was used on me in a fatal officer involved gunfight interview 11 years ago).
Remember, every murder is a homicide, but not every homicide is a murder.
But, there is a lawyer on the tip of every bullet you fire. ( you may be cleared criminally but not from civil litigation).