L.A. Noire – The Gas Man
Start with the Steffen's House Fire. Opposed to the usual searching for clues, it's time to simply start with the interviews. When things are a little burnt, it's hard to find some clues. Still, look into the Instaheat to find out how serviced it. That is located nearby the chimney
Don Steffen
Travel Competition – Truth
Suburban Development – Doubt
Use the phone to get more on the information you've gathered so far.
Sawyer House Fire
Once you get there take some time to talk with the coroner to learn a bit more about what happened. Be sure to case the outside of the house, as there's a instaheat valve sitting along the front-right side of the house. At the end of things here you've got a chase to complete on Herbert Chapman.
Gulliver Travel Agency
When you get there, you'll automatically be taken inside. You'll be shown the ledger and you'll see two family names, Steffen and Sawyer. Tap them and it's time for an interview.
John Cunningham
Suburban Redevelopment – Truth
Promotional Contest – Doubt
Fire Station No. 32
Next stop along the line is the local fire station. Get there and walk around a bit to find a helpful clue and a cut scene. You'll have a puzzle to put together nearby. The balloon goes on the right, the valve in the middle and pilot on the left.
InstaHeat Factory
Ryan Rasic
Instaheat Model 70 – Doubt
Heater Service History – Lie backed by Heater Serviced Ryan or Varley
Use the phone to get more information on what you've collected so far.
Talk with Rasic. Time for you to examine a few lockers, specifically Walter Clemen's, Matthew Ryan's and Reginald Varley's. You'll find some interesting pamplets and a mosquito coil.
Clemen's Worksite
Walter Clemen Interview
Knowledge of Varley – Doubt
Employment with Instaheat – Doubt
Knowledge of Ryan – Lie backed by Clemen's Anarchist's pamphlet
Varley's Worksite
Chase him down.
Ryan's Worksite
One more chase.
Wilshire Police Department
Interview Time!
Matt Ryan
Anarchist's Literature – Lie backed by Ryan's pamphlet
Instaheat Model 70 – Lie backed by Ivan's statement
Suburban Redevelopment – Doubt
Attempted Murder Charge – Lie backed by Ryan's Criminal Record
Varley
Work at the Sawyer Residence – Lie backed by Heater serviced by Varley
Suburban redevelopment – Lie backed by Matt Ryan's statement
Instaheat Model 70 – Lie backed by Mosquito Coils
Leave interrogation and charge Matt Ryan.