A 32-year-old Plainfield man has been charged for starting a fire that killed his 87-year-old grandmother last week. William Vera is said to have started the fire in 1900 block of Glacier Ridge Drive that led to the death of Teresa Collado. It was on Friday, March 22 at that the Joliet Fire Department was called to the home in regards to a severe structure fire. Upon arriving first responders discovered an  individual on the second floor of the home with severe burns. That individual, Teresa Collado, was is taken to the hospital but later succumbed to her injuries.  An investigation determined that Vera was in the home when the fire started and he was eventually arrested in connection with the crime. Vera has been charged with aggravated arson, arson and criminal damage to property. The Joliet Fire Department has determined that the structure is now a total loss