Former Miami Dolphins offensive lineman Jonathan Martin has been detained for questioning in Los Angeles as a result of a threatening image posted on social media, according to reports.
"The individual we believe responsible for the social media post in question has been detained and our investigation is ongoing," the Los Angeles Police Department said in a statement.
ABC News confirmed that Martin was the man detained by police.
It is unknown whether the Instagram account is Martin's account or if he posted the image.
The image on Instagram account said: "When you're a bully victim & a coward, your options are suicide, or revenge.