A woman who called herself 'Jihad Jane' online should face decades behind bars, federal prosecutors have demanded.
American Colleen LaRose plotted to kill Swedish cartoonist Lars Vilk, whose work had offended Muslims.
Prosecutors say in court papers that the 50-year-old's sentencing should serve as a deterrent to "other lonely, vulnerable people who might be enticed by online extremists promising fame and honour".
LaRose and two others convicted in the plot, Jamie Paulin-Ramirez and teenager Mohammad Hassan Khalid, are due to be sentenced next week.
LaRose pleaded guilty to the charges in 2011 and faces a maximum sentence of life in prison.
The other two could get up to 15 years in prison for conspiring to provide material aid to terrorists.