ARGYLE, Wis. -

One of the men accused of helping start a deadly Argyle fire will undergo a competency exam.

Attorneys for Jeremy Wand requested the competency exam Tuesday in Lafayette County Circuit Court.

The 18-year-old is facing multiple homicide charges. A criminal complaint said Wand helped his older brother, Armin, light the deadly fire.

The complaint said Armin told his brother he'd pay him $300 to help start the fire that killed Wand's three children and severely burned his pregnant wife.

Both men will be back in court next month.