Man allegedly threatens mother and home with knife

Okay, requesting met and welfare check of brother (name withheld), thirty-four year old, gray shirt, jeans, under the influence of methamphetamine, known to carry a machete or a large knife on waistband.

Possibly diagnosed with schizophrenia, making threats to kill the mother and light up the residence on fire.

Six eleven Monticello.

Both units are en route.