Mystery surrounds ex-Marine’s possible motives, movements at Trump go…

Authorities are trying unlock the mystery of a Downey security guard accused of weapons violations after he twice visited the Trump National Golf Course in Rancho Palos Verdes in advance of this week’s presidential visit.

Jeanine John Taele was charged by federal prosecutors with possession of an unregistered short-barreled rifle, a felony that carries a maximum sentence of 10 years in…