This is an ARG.
The first 2 capitalized letters are H and I.
HI.
In the 3rd post, he replies with the question with the word "MOM"
HI MOM
HI MOM backwards is MOM HI.
In the 1st post it has the word "my"
MY MOM HI
If you turn this in to a statement using other words, it spells out
"MY MOM IS HI."
"My Mom is High."
We shall find the Location of Mura and his mom.
Obviously, Mura has drugged his mom.
Or his mom is a Drug addict.
We shall find the location of Mura and his Mom.