Havertown man arrested for allegedly leaving threatening voicemails for Delaware County sheriffMEDIA, Pa. (WPVI) -- A Havertown man has been arrested for allegedly leaving threatening voicemails to the Delaware County Sheriff's Office. Sean Keenan, 40, of Havertown, has been arrested for allegedly leaving threatening voicemails to the Delaware County Sheriff's Office. Investigators say Keenan left two Islamophobic and threatening voicemails for Sheriff Siddiq Kamara on July 18. In the voicemails, Keenan allegedly stated, "Death to Islam," and "I will find you, I know where you are, you're an amateur... "Threats of violence, most especially racially motivated violence, have no place in Delaware County, regardless of who the intended victim may be.