Eminem is once again making headlines for his controversial songs, but this time it was the Secret Service that had their eyes on the Detroit rap star, Local 4 reported.

In the lyrics to an unpublished song, "We As Americans," Eminem apparently threatened the president of the United States.

The song had reportedly been passed around the Internet and was causing a stir for the following lyric:

"I don't rap for dead presidents. I'd rather see presidents dead."

The Secret Service released a statement saying, "We are aware of the lyrics and are in the process of determining what action, if any, will be taken."

John Gill, a spokesman, later announced that the Secret Service would not conduct a formal investigation, but cautioned that such lyrics can have unintended consequences on others.

Representatives of the Detroit rapper could not be reached Monday night for comment. Eminem's spokesman told CNN recently the song was "unfinished" and that "there was no determination where, when, how or if it was going to be used."

Gill said the Secret Service must balance its duties of investigating such communications with its respect for the constitutional right of freedom of speech.

He added, however, that it was necessary for the Secret Service to look into communications that could be considered threatening to the president.

"The Secret Service takes every potential threat against the president seriously," Gill said. "We don't have the luxury to do otherwise. "

The song does not appear to make any direct mention to President George W. Bush.