The phrase is spelled "federal law enforcement", e.g. the FBI, DEA, ICE, etc.
Grandsons-in-law
ley
"Son-in-law" is spelled as indicated, with a hyphen between "son" and "in-law."
Cognato
To learn how to spell.
daughter-in-law
The correct spelling is "brother-in-law" (your wife's brother).
The term is hyphenated "sister-in-law" (husband's or wife's sister, or brother's wife).
That is the correct spelling of the plural noun "fathers-in-law" (more than one father-in-law).
learn how to spell and then we'll talk
Another way to spell "daughter-in-law" is "daughter in law," without hyphens. However, it is commonly accepted in its hyphenated form. In some contexts, you may also encounter abbreviations like "DIL."
You were probably trying to spell the word attend.An example sentence is "you are required to attend school by law".