While no one was hurt ― Johnson, her husband and her grandchild were all out of the house at the time ― the family lost all their possessions in the blaze.
Another neighbor said the man authorities are investigating "approached her as she was getting in her vehicle that morning and asked if she thought Johnson's house was going to burn".
Investigators are speaking to a person of interest, but warrants have not yet been obtained, the sheriff's statement said.
The women who accused former Republican Senate candidate Roy Moore of inappropriate behavior and sexual abuse faced serious backlash for their decisions to come forward, with their private lives aired out in public and threats of varying degrees leveled against them. "We have just the clothes on our backs".
Johnson told AL.com Friday that the fire left her Gadsden home a total loss, saying she was "devastated, just devastated".
In November, Johnson gave a detailed description of how Moore allegedly molested her in his office in Gagsden in the 1990s when she went to him for his legal expertise during a custody battle over her son.
Multiple neighbors witnessed a young man known for public intoxication walking around the house during the time of the fire. She said she is thankful for her neighbors, who have been supportive of her family.
"By this lawsuit, I seek to do what I could not do as a 14-year-old - hold Mr. Moore and those who enable him accountable", said Corfman, whose lawsuit asks Moore to publicly apologize.
Johnson said her family is now living in a motel.