Where Have the Wands Gone????

[meriaugust]

No: HPFGUIDX 86413

Was just perusing a few older posts, and I am pretty sure that this 
has been discussed before but I can't keep myself from wondering: 
where do wands go when their wizard owners have been incapacitated? 
Neville's father's wand belonged to Neville up to the end of OotP, 
but that's just a natural inheritance. So how did Voldemort get his 
wand back after that fateful night in Godric's Hollow? How did 
Wormtail get his wand back after being in hiding as a rat for twelve 
years? And how did Sirius get his wand back after a prison term in 
Azkaban? Does Lockhart, now recovering his memory in St. Mungo's, 
still have access to a wand? What happens to wands when wizards die? 
Are they destroyed or recycled? Just some questions that keep 
bothering me. 
Meri
(who now hopes the JKR will dedicate an entire chapter of book 6 to 
thorny wand problems)