We need to compare this message to the previous to find the hidden meaning.
There is an added "(s)". Target Slick perhaps? But with what...?
"However many there may be!" Count these letters and we get 21 which is blackjack which is often played in Las Vegas which means "the meadows". Another word for meadows is fields... This is likely a reference to the movie The Killing Fields!
She wants the baddies to kill Slick!