One of a Fire Marshal's responsibilities is to make an examination of the interior of a structure. Which choice below contains inaccurate information?
1) "V" Pattern burns always point toward the point of origin
2) Absence of "V" Pattern of burning could mean an accelerant was used
3) Burning and charring along the lower length of a wall or under a door could mean an accelerant was used
4) Rapid intense heat from accelerant may cause perpendicular burns on walls