Black Pepper identify help

Hi everyone can someone help me identify this pepper plant. The peppers start almost black color then as they ripen they turn green then into red. The fruit is average 1 1/2in – 2in in length. They are definitely Spicer than a Serrano. They appear to look like thai peppers or even chile de arbol the only problem i havent seen any with this dark color as they start.. Never noticed it and growing pretty well on it own. Please help

by Trick-Camera3935